He________have completed his work; otherwise, he wouldn't be enjoying himself by the seaside.
| A．should |
| B．must |
| C．wouldn't |
| D．can't |
—I'm sorry, but there's no smoking room in this section on the train．
—Oh, I ____that, and I won't smoke again．
| A．don't know | B．won't know | C．didn't know | D．haven't known |
____ new round of competition for customers has started with discounted products in Gome and Suning, setting off____ wave of shopping rush at the end of the year．
| A．A;不填 | B．The; a | C．A; the | D．A; a |
—It has been a wonderful evening．Thank you very much．
— .
| A．I’m glad to hear that | B．My pleasure |
| C．No, thanks | D．Don’t say so |
--- I’m sorry．I ___________ at you the other day．
--- Forget it．I was a bit out of control myself．
| A．shouldn’t shout | B．shouldn’t have shouted |
| C．mustn’t shout | D．mustn’t have shouted |
To learn English well, we should find opportunities to hear English ___________ as much as we can．
| A．speak | B．speaking | C．spoken | D．to speak |