Only when he failed in the final exam ____up his mind to study harder to catch up with the classmates ahead of him.
| A．he made | B．he had made |
| C．had he made | D．did he make |
— Why did you put the wood near the fire? It’s dangerous.
— Don’t worry. Wet wood won’t _______.
| A．burnt | B．be burnt | C．be burning | D．burn |
— Thank you for joining in my birthday party.
— _______.
| A．It’s my duty | B．It’s right | C．It’s my pleasure | D．It’s nice to say so |
-------- Hey, look where you are going !
------- Oh, I’m terribly sorry. __________.
| A．I’m not noticing | B．I wasn’t noticing |
| C．I haven’t noticed | D．I don’t notice |
Robert is said _____ abroad, but I don’t know what country he studied in .
| A．to have studied | B．to study |
| C．to be studying | D．to have been studying |
_____ him and then try to copy what he does .
| A．Mind | B．Glance at | C．Stare at | D．Watch |