The writer and singer _____ here.

A. would be completed B. was being completed

C. has been completed D. had been completed

A. is expected B. expects C. expected D. is expecting

A. will wait B. is going to wait C. waits D. wait

A. shouting B. shout

C. shouted D. having shouted

A. was walking B .walked

C. walking D. had walked

A. interaction

B. intervals

C. interruptions

D. interpretation

A.the possible widespread unemployment caused by their introduction

B.their use as part of automated production systems

C.the least possible number of operators

D.the production system in steelworks

A. So clever are the construction robots

B. So clever the construction robots are

C. Such construction robots are clever

D. Such clever construction robots are

A. The sun was worshiped by all the Chinese people

B. The sun was thought of as a cock

C. Chinese religion and astronomy were closely interrelated

D. Sundials were first used by the Chinese

A. this is the first time has she lied

B. this is the first time does she tell a lie

C. this is the first time she had lied

D. this is the first time she was lying