The water supply has been cut off temporarily because the workers ____ one of the main pipes.
| A．had repaired | B．have repaired | C．repaired | D．are repairing |
With so much work his head all day long，he feels rather stressed in his daily life．
| A．filled | B．to fill | C．filling | D．being filled |
---Can I tell my best friend about it?
---No. I don’t want anyone else to know. You _________ let it out.
| A．mustn’t | B．won’t | C．don’t have to | D．don’t need to |
—I did not know you were good friends.
—You__________. I have known her since she moved here. You were abroad then.
| A．may have | B．needn’t have | C．couldn’t have | D．must have |
—It’s said that“Traffic”is an exciting film．
— I it yet．I hope to see it soon．
| A．didn’t see | B．hadn’t seen | C．don’t see | D．haven’t seen |
- Where have you been all day?
- We _________ some beautiful children and we couldn’t get away
from them until it was dark．
| A．meet | B．have been met | C．met | D．have been meeting |