–Mr Li, I found a watch on the playground.
-You should try to find out ______.
| A．whose is the watch | B．who is the owner of the watch |
| C．whom does the watch belong to | D．who the owner of the watch is |
——You aren’t a stranger, are you?
——, don’t you rememberme at the school gate ten minutes ago?
| A．Yes, to see | B．No, seeing | C．No, saw | D．Yes, seeing |
It’s careless _____ him to make the same mistake again. I think it important ______ everyone to be careful in everything.
| A．to; for | B．for; of | C．of; to | D．of; for |
In order to enter the PE exam, now we spend at _____ least half _____hour a day at school.
| A．a; an | B．the ; a | C．不填；an | D．不填; a |
—Hi, Mary. __________?
—Not so well. I can’t keep up with the other students.
| A．How long have you studied chemistry |
| B．Who is teaching you chemistry |
| C．How is your chemistry study going |
| D．Where are you learning chemistry |
—What did your son say in the letter?
—He told me that he __________ the Great Wall the next day.
| A．will visit | B．has visited |
| C．is going to visit | D．would visit |