When do you think we will leave tomorrow? You had better __ ready at seven o’clock.
| A．to be | B．be | C．being | D．been |
It rained heavily in the south, ___________ serious flooding in several provinces．
| A．caused | B．having caused | C．to cause | D．causing |
Large quantities of information _________ since the organization was built．
| A．has offered | B．had been offered | C．have been offered | D．is offered |
--- I’m sorry, but there is no smoking on this flight．
--- Oh, I _________ that．Sorry, I won’t again．
| A．don’t know | B．didn’t know | C．won’t know | D．haven’t known |
–-Did you mind if we set out earlier tomorrow morning?
---Well, I’d rather you __________．
| A．don’t | B．won’t | C．didn’t | D．wouldn’t |
__________ a moment and I will go to your rescue．
| A．Go on | B．Carry on | C．Move to | D．Hold on |