Fill in the gaps with the correct form of verbs provided.

(a) At present, Bangladesh, particularly Dhaka_______ (become) polluted rapidly.

(b) Outdoor and indoor pollutions _______(cause) death of huge lives each year.

(c) The consequences of sound pollution________(be) really dangerous.

(d) Pure drinking water_________(have) also become rare.

(e) Serious water-borne diseases________(be) very common.

Read the following text and fill the gaps with correct form of verbs as per subject and context:

Once upon a time, there (a) —— (be) a king who was very fond of (b) ——— (know) his future from the astrologers. A famous astrologer (c) ———— (stop) at his capital on his way to home. The king called on him to (d) ——— (know) about the future and the astrologer (e) ———— (tell) him something unpleasant. At this the king (f) ———- (get) furious and (g) ———— (condemn) him to death saying, "Men like you (h) ———— (live) to spoil the peace of the world." But another thought (i) ———— (cross) his mind before the astrologer (j) ———— (send) for execution. "How long will you (k) ——— (live)?" asked the king. With ready wit, the astrologer said, "The stars (l) ——— (declare) that I shall die only a week before your majesty, so goodbye." (m) ——— (hear) this, the king turned pale like a dead man and shouted, "Drive this wretch away, let him (n) ——— (come) here again."

Read the following text and fill the gaps with correct form of verbs as per subject and context.

Deforestation (a)_____(mean) cutting down trees at random. It (b)______(cause) mainly by a group of dishonest people. They cut trees (c) _____ (make) profit. Ordinary people also (d) _____ (use) trees as fuel and furniture. Because of (e)_____(cut) more and more trees, we are going (f)_____(face) a great danger in the coming future. We (g) ____(know) that oxygen (h) _____ (supply) by trees for animals. Without (i) ____ (take) oxygen, we cannot live a single moment. If trees (j)____(cut) down in this way, the amount of carbon dioxide (k) _____ (increase) in the atmosphere. As a result, the heat (l)______ (rise). It (m) _____ (call) greenhouse effect. (n) _____ (enjoy) a peaceful life, we must plant more and more trees.

Read the text and fill in the gaps with the correct form of verbs as per subject and context.

Nowadays, the credit card (a) ____ (become) a topic of discussion in Bangladesh. Most of the people (b) ____ (know) how (c) ____(use) it. They only (d)____ (think) that it is equivalent to money. They (e) ____ (not know) how it (f) ____ (work) exactly. It (g) ____(be) just an alternative to paper money. It looks as if it (h) ____(be) a plastic card. There (i) ____ (be) a good number of credit cards. Nowadays, we are accustomed to (j) ____ (use) this card as it (k)____ (be) safe. A credit card (l) ____(provide) to use like cash. We can go (m)____ (shop) by this card for our safety. But it (n)____ (have) some disadvantages too.

Read the text and fill in the gaps with the correct form of verbs as per subject and context:

Air (a) (be) — an important element of the environment. But it is constantly being (b) — (pollute) in many ways. We make fire to cook food and (c) — (do) many works. This fire emits smoke which (d) — (contaminate) air. Vehicles pollute air to a great extent by (e) — (burn) fuel. Air pollution also (f) — (happen) when coal and oil (g) — (burn). Mills and factories can be (h) — (hold) responsible for this pollution. It is high time we (i) — (check) air pollution. Otherwise we (j) — (suffer) a lot.