Though we don't know what was discussed, yet wecan feel the topic ________.
| A．had changed |
| B．will change |
| C．was changed |
| D．has been changed |
The police at Denver International Airport examined a bomb threat against a United Airlines flight to San Francisco,____________ the flight for hours.
| A．delayed | B．to delay | C．delaying | D．had delayed |
—Stay a bit longer, please. It’s been such _______ fun having you here.
—Thank you, but I’ve got _______ early start tomorrow morning.
| A．/ ; the | B．a; an | C．/; an | D．the; an |
All of us want very much to see these amusing movies, especially _______ you referred to just now.
| A．any | B．it | C． the one | D．one |
---I’m so thirsty.Do you mind if I have another can of cola ?
----______.I still have a lot.
| A．I’m very sorry | B．Yes,please | C．Forget about it | D．Of course not.Go ahead |
________ has already been pointed out, only by correcting mistakes can you make progress.
| A．It | B．As | C． That | D．What |