He looked as though he _________ a ghost（鬼）.
| A．saw | B．has seen | C．have seen | D．had seen |
The World Wid
e Web is sometimes jokingly called the World Wide Wait because it ______
be very slow.
| A．should | B．must | C．would | D．can |
—Mum, where is my toy train? You promised.
—_____, my but you know mum is pretty busy today. Tomorrow, OK?
| A．So it is | B．So is it | C．So did I | D．So I did |
As long as you’ve paid _________ advance we won’t charge you _________ delivery.
| A．by: for | B．in; with | C．in; for | D．by; with |
At first he refused to admit he had stolen but when he was shown the videotape he ______ and admitted everything.
| A．broke down | B．broke away | C．broke up | D．broke out |
Only when _________ be possible to sign the papers.
| A．does the boss come will it | B．the boss comes will it |
| C．has the boss come it will | D．the boss comes it will |