---Why were you late this morning? ---I _____ up late to watch TV.
| A．stay | B．stays |
| C．stayed | D．staied |
—Dad, science is too hard for me.
—Oh, dear, if you keep listening ________ in class and do enough exercises, you’ll find it easy.
| A．carelessly | B．easily |
| C．carefully | D．quickly |
He’ll remember as many English words as he can ______ the exam.
| A．pass | B．not lose |
| C．passes | D．to pass |
If you are weak ____ a subject, ______your teacher for advice can help.
| A．to, asking | B．in, ask |
| C．to, to ask | D．in, asking |
—Could I enter the apartment to look for my sister?
—Sorry, you ______. Men _______ go into the apartment for girls.
| A．couldn’t; can | B．can’t; mustn’t |
| C．can; can | D．needn’t; mustn’t |
The students _______ their homework carefully when the teacher walked into the classroom quietly.
| A．do | B．did |
| C．are doing | D．were doing |