The girl has a great interest in sport and ________ badminton classes twice a week over the last three years.
A. took B. is taking
C. takes D. has been taking
If nothing ________， the oceans will turn into fish deserts.
A. does B. had been done
C. will do D. is done
Around two o'clock every night, Sue will start talking in her dream. It somewhat ________ us.
A. bothers B. had bothered
C. would bother D. bothered
“What do you want to be？” asked Mrs. Crawford. “Oh, I ________ president，” said the boy, with a smile.
A. have been B. am
C. was D. will be
—Could I use your car tomorrow morning?
—Sure.I ________ a report at home.
A．will be writing B．will have written
C．have written D．have been writing
—I don't understand why you didn't go to the lecture yesterday afternoon.
—I'm so sorry. But I________ my homework.
A．had done B. was doing
C. would do D. am doing
