Billy is so tired _____ he worked all night in his office.
| A．when | B．because | C．if | D．so |
---Mr. Wang, I have troublethe text.
--- Rememberit three times at least.
| A．to understand; reading | B．understanding; reading |
| C．understanding;to read | D．to understanding; to read |
---I think _________________ in the morning is a good way to improve your spoken English.
---I agree with you.
| A．read English | B．reading English |
| C．write English | D．writing English |
---It’s difficult for the villagers to cross the river.
---I think a bridge______ over the river.
| A．should be built | B．is being built | C．has been built | D．was built |
--- He has never traveled to a foreign country, ?
--- Yes. He has been to England once.
| A．does he | B．doesn't he | C．has he | D．hasn't he |
---What did Tom ask you yesterday morning?
--- He asked me if I _______________ to Beijing with him this Saturday.
| A．will go | B．went | C．go | D．would go |