He is only too ready to help others, seldom, ____, refusing them when they turn to him.
A.if never | B.if ever | C.if not | D.if any |
Try ____ she might, Sue couldn’t get the door open.
A.if | B.when | C.since![]() |
D.as |
More than one company ___ the new design to market only to see it quickly denied by those who couldn’t wear them.
A.has taken | B.has been taken | C.have taken | D.have been taken |
During our stay in London, the guide book ___ a great help. We all had a wonderful time.
A. behaved B conducted C. served D. proved
Her behavior is __________.
A.worthy praise | B.worthy to be praised |
C.worth to be praised | D.worth being praised |
—The room is so dirty, _____ we clean it?
—Of course.
A.will | B.shall | C.would | D.do |