I caught him _______ over my wall.

A. to climb B. climb C. having climbed D. climbing

We soon got the machine _______ again.

A. to repair B. repair C. repairing D. repaired

It takes me hours ...... a letter.

A. to write B. writing C. to be written D. written

We found it very difficult ...... a decision.

A. reach B. reaching C. to reach D. to reaching

I must remind my students that this grammar point needs ...........

A. revise B. revising C. to revise D. revised

Do you often practise ....... English?

A. speaking B. to speak C. speak D. spoke

My watch keeps..........

A. stop B. to stop C. stopping D. stopped

Are his ideas worth ...... to?

A. listen B. listening C. to listen D. to listening

He recommended me ......... it.

A. do B. to do C. doing D. did

The company starts to employ a lot of.............

A. employers B. employing C. employees D. employists