As a leader, he never says no to ________ all his group members think is right.

A. what                  B. as                    C. which                           D. that

 ________ any sign of their daughter's school, 

A. Seeing not               B. Not seeing

 I kept getting mysterious phone calls _______ the caller would hang up as soon as I answered.

A. where        B. which        C. that                   D. whether

 The disc, digitally ________ in the studio, sounded fantastic at the party that night.

A. recording          B. to be recorded   C. having recorded       D. recorded

I was halfway back to hospital where the doctor was working ________ Susan caught up with me.

A. while　　　　 B. until　　　　　　　　 C. when　　　　　　　 D. though

Before closing the door to his office, he told his secretary that he was ________.

A. to not disturb　 B. not to disturb　 C. to not be disturbed 　 D, not to be disturbed

Any spare cash he referred to 　 ________ to more worthy causes.

A. has donated　B. having donated C. has been donated 　　 D. have been donated

 I thought we agreed to talk to each other  ________ making any major decisions.

A. before              B. though              C. since                 D. unless

 They're finding it difficult to maintain ________.

A. such high interest rates     B. so high interest rates

C. such interest rates high     D. interest rates such high

 Often, when he ________ something useful, he wasted his time playing computer games.

A. should be doing  B. must have done  C. should have been doing    D. shall be doing