问题

“Isn’t it about time you _____ to do morning exercises？” “Yes, it is. Would you like to join us？”

A:begin
B:have begun
C:began
D:had begun

正确答案是：

同类题型

He is a good cook at home and takes good care of the children, and his wife.

Do you smoke?—No，I don’t.It’s two years since I __________.

Finally, my thanks go to my tutor, who has offered a lot of suggestions and comments on my paperand ________ every page of my draft.[ ]

How do you find the plan? —Wonderful. It well more than expected.

e interview, he had finally ______several customers of the advantages of his product