一、单项选择

1.―When will she arrives?

―_______ she arrives, I will let you know.

A. Because                 B. Before                   C. Though                  D. As soon as

2. She want to be a doctor when she ______.

A. grow up                 B. grows up                C. is growing up         D. will grow up

3. That math problem is so difficult that few students in my class can _______.

A. work out it            B. work it out             C. check out it            D. check it out

4. ―Is there any _____ for me in the car?

―Sorry, you’d better take another one.

A. place                      B. rooms                     C. chairs                     D. space

5. ―Please _____ your bike before you start to school, Jessie.

―OK. Dad.

A. get off                   B. check out               C. take out                 D. keep away

6. I _______ the front door several times, but nobody answered it.

A. knocked at            B. knocked down      C. looked at               D. put down