---How about your last weekend,Jim? ---Quite meaningless.I ______my parents do the cleaning the whole day.
_____ to improve English?
—Which sweater do you prefer, the yellow one or the pink one?—______. I like a light blue one.
I don’t know if he_________here. If he ___________tomorrow, I will tell you.
The world’s population is getting larger and larger, so scientists are trying to ______ new ways to solve the food shortage.
He finds watching movies ______because the people speak too quickly.