. They apologized for ______ to attend the meeting.

A. their not being able B. their being not able C. them not ableD. them being able not

After ______ for the job, you will be required to take a language test.

A. being interviewed   B. interviewed  C. interviewing  D. having interviewed

 Will those ______ the children from abroad come to the headmaster’s office?

A. teaching        B. teach     C. who teaches    D. who teaching

 With a lot of difficult problems ______, the manager felt worried all the time.

A. to settle        B. settling     C. settled      D. being settled

The manager promised to keep me ______ of how our business was going on.

A. to be informed  B. on informing     C. informed        D. informing

---Do you have anything more ______, sir?

----No. You can have a rest or do something else.

A. typing      B. to be typed     C. typed     D. to type

They arrived at their university very late, ______ the gate closely shut.

A. found    B. to find     C. find    D. finding

 ______ her mother had come, her face lit up.

A. Hearing   B. Having heard   C. When hearing D. When she heard

They set out ______ for the ______ boy.

A. searching; losing  B. searching; lost  C. to search; lost D. to search; missed

 ______ the room, a letter was laid on the ground.

A. Entering    B. Having entered    C. He entered  D. Mrs Green entering