947.The manager was worried about the press conference his assistant ___ in his place,but,luckily,everything was going on smoothly.

A.gave
B.gives
C.was giving
D.had given

948.I've not finished with my dinner yet.

But our friends _____ for us.

A.will wait

B.wait

C.have waited

D.are waiting

947.答案是C;

考查动词的时态。

948.答案是D;

根据语境得知朋友们此时正在等他们，故选进行时更符合句意。