—Your head teacher says you are reliable and punctual. You are never late for school，are you?
—___________ .
| A．No，sometimes | B．Yes，sometimes | C．Yes，I did | D．No，I do |
_____ the watch and see if you can find out what’s wrong with it.
| A．Pack up | B．Break down | C．Dig out | D．Take apart |
John is a good swimmer, but I don’t like the way ____ he always shows off in front of everyone.
| A．how | B．why | C．不填 | D．which |
_____ you understand the rules of the game, you will enjoy it.
| A．Before | B．Even if | C．Once | D．While |
The child asked his mother ______ go out to play tennis.
| A．that he could | B．if he could | C．if could he | D．that could he |
Mr. Zhang, our math teacher, is strict with students and serious in teaching work, so he ____.
| A．thinks highly of | B．is thought highly |
| C．is highly thinking | D．is highly thought of |