单项选择题
A.at, to B.to, from C.from, to D.at ,from
It was essential that the application forms（）back befor...
单项选择题It was essential that the application forms（）back before the deadline.
A.must be sent B.be sent C.would be sent D.were sent
Jim is sorry（）so impolite to your guest last Saturday.A...
单项选择题Jim is sorry（）so impolite to your guest last Saturday.
A.to be B.being C.having been D.to have been
John regretted（）ashore yesterday.A.not goingB.not havin...
单项选择题John regretted（）ashore yesterday.
A.not going B.not having been going C.not to go D.not to be going
