---______ did you first skate? ---Two years ago.
| A．What | B．When | C．Why | D．How |
Nancy quickly ________ the door and put down her school things.
| A．opens | B．opened |
| C．has opened | D．is opening |
So many kinds of sweets! I really can’t decide _______.
| A．what to buy | B．which to buy |
| C．to buy which | D．to buy what |
Soon you _______ a senior high school student(高中生). Isn’t it exciting?
| A．become | B．will become |
| C．became | D．have become |
Please tell him to call me as soon as he _______ home.
| A．get | B．gets |
| C．got | D．will get |
－Look! The dress over there is so beautiful. I’ll take it.
－You’d better ________first. I’m afraid it’s too short for you.
| A．pay for it | B．put it on |
| C．try it on | D．wait for it |