---Mr. Wang, I have trouble ______the test.---Remember ________ it three times at least.to understand; readingB. understanding; ReadingC. understanding; to readD. to understand; to understand
— Li Ming, do you like playing ______ volleyball? — Yes, I do. And my father bought me ______ new volleyball this afternoon.
--- Could you tell us ______ ? --- About two weeks.
--- He didn’t come to school yesterday, didn’t he ? --- _________.He was ill in bed.
What way can you think of ______ the mice in the room?
______are! I’ve never seen so many beautiful flowers.