Haze (雾霾)appears around us. Let’s do ________ helpful to protect the environment.
A. nothing B. something
C. anything D. a thing
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 buyB. which to buy
C. to buy whichD. 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