Choose the correct preposition: The scientist was absorbed - his work.

Would you like to go __ a walk?

Use appropriate prepositions to complete the sentences (questions 16-19).

Recourse —— arms is not the best solution to hostility between countries.

Choose the appropriate word to fill in the gap : The spider scrambled hurriedly ---- a corner.

Fill in the blank with appropriate word, phrase and clause (s): We agreed___ a certain course of action.