As he ______ to submit the accounting report before 4:30 pro, the assistant hurried to Mr. Smith's office.
A.was required
B.had required
C.requires
D.required
正确答案是A
As he ______ to submit the accounting report before 4:30 pro, the assistant hurried to Mr. Smith's office.
A.was required
B.had required
C.requires
D.required
正确答案是A