题目内容

Several cases have been reported recently of people who________read and detect colors with their fingers.

A. should
B. can
C. will
D. could

查看答案
更多问题

No one expect his secretary_________go straight into his office without permission.

A. can
B. is able to
C. will
D. is not allowed to

She was absent for the first time yesterday. She_________sick.

A. must be
B. has been
C. is
D. must have been

He did very badly on the exam. He_________harder.

A. must study
B. must have studied
C. should study
D. should have studied

He_________ten lectures on American history, but he only gave two because of his illness.

A. had given
B. would give
C. must have given
D. should have given

答案查题题库