问题

How long ________inBeijing?-For just the weekendI’II be back for work next Monday

A: have you stayed
B: do you stay
C: did you stay
D:are you staying

正确答案是：

同类题型

When I passed the park I saw the grass______by some workers with lawn movers

______ do you go shopping, Mary? — Twice a week.

Throughout the world__________inventions.

I think Lucy is the best dancer in the world. — I agree with you. No one can dance__________.

last floor, ________.