I’m sorry _________ you waiting so long.

A. to have kept
B. to be keeping
C. to keep
D. to have been kept

I planned ________ the problem, but failed to do so.

A. to solve
B. solving
C. to have solved
D. solve

1. There’s a man at the reception desk who seems very angry and I think he means______ trouble.

A.making
B. to make
C. to have made
D. having made

His eagerness _______ was quite obvious.

A. returning to work
B. to return work
C. to return working
D. to return to work

Have you decided _________ for an outing?

A. whether to go
B. what to go
C. why to go
D. which to go

Do you consider ______ to ignore him?

A. wise
B. it is wise
C. it to be wise
D. it wise

Tom’s mother does not allow him ________ TV except on Saturday evenings.

A. watch
B. watching
C. to watch
D. watched

Father had my brother __________ the car yesterday.

A. wash
B. to wash
C. washed
D. to be washing

The doctor's suggestion is ______(take)more exercise.

The best way is______(talk) to your parents.