—You look tired.
—Yes. I _____ non-stop until twelve o’clock.
| A．hasn’t been working | B．wasn’t working | C．was working | D．didn’t work |
Mike came here ________ to see you, _____ after he heard that you had returned from abroad.
| A．especially; specially | B．especially; especially | C．specially; especially | D．specially; mainly |
American English is more or less different ____British English ____ pronunciation and spelling.
| A．from; in | B．with; in | C．from; with | D．with; on |
Some people are good at _____ voices on the phone while others ______.
| A．knowing; aren’t | B．recognizing; don’t | C．knowing; don’t | D．recognizing; aren’t |
Pandas are native ______ China.
| A．with | B．to | C．for | D．in |
No product is allowed to go into the market if it fails to _____ the quality standard.
| A．live | B．come up to | C．meet | D．go through |