______ was reported in the local paper, since the carrying out of the performance salary, efficiency in work has ______doubled.

1. A.
   As … more than
2. B.
   It …rather than
3. C.
   What … over
4. D.
   That… less than

“Was Andrew there when you arrived?” “Yes, but he ______ home soon afterwards.”

A. had gone    B. has gone

C. is going      D. went

-Has Tommy finished his homework yet??

-I have no idea； he ____ it this morning.

　 A. was doing 　 B. had been doing C. has done 　 D. did

—Has Sam finished his homework??

—I have no idea. He _____ it this morning.?

A.did?

B.has done?

C.was doing?

D.had done?

―Was the doctor there when you arrived?

        ―Yes, but he ______ out a moment later.

              A. had gone                                       B. has gone

C. went                                             D. is going