He ______ be a history teacher.
| A．used to | B．be used to | C．use to be | D．be use to |
A: Mum, may I go out to play football for an hour?
B: No, you_ . The air outside is not very clean.
A. can't B. needn't C. couldn’t
Of the three reading rooms, one is near, but _ two are far.
A. other B. the others C. the other
I am old enough to wash _ clothes by myself. You can just wash _.
A. mine, your B. my, yours C. mine, yours
No way! I don't think should be allowed to drive. I am worried about your safety.
A. fifteen years old
B. fifteen-year-olds
C. fifteen-years-old
A: _ did you come so late to your office this morning?
B: Oh, I felt so sick that I couldn't get up on time.
A. How B. Which C. Why