I ________ an engineer when I grow up.
A. am B. was C. will be D. Are
__________ important for children __________ by themselves.
A. That’s; to learn B. It’s; to learn
C. That’s; learning D. It’s; learning
He wants ____________some vegetables.
A. buy B. buying C. to buy D. buys
We _______ pay to get into the concert. It's free.
A. can't B. mustn't C. might not D. don't have to
Mary likes learning English,______ she doesn’t like learning math at all.
A. and B. or C. but D. So
—I will go to Dalian with my parents next month. —________
A. Well done B. Have a good trip
C. What a pity D. How time flies!
