.—This yard is so clean today and everything looks fine.
—I didn't notice that. It's clear someone ________it.
| A．cleans | B．cleaned |
| C．has cleaned | D．cleaning |
You _______ smoke .You are only 14 and it isn’t allowed.
A. don’t have to
B. mustn’t
C. needn’t
— Please call me up as soon as she _______ back. —OK, I will.
A. will come B. is coming C. comes
— Which film do you like better, X-Men or Coming Home? —______. I like them very much.
A. Neither B. Both C. Either
—What is your brother doing in the study? —He ________ his homework.
A. is doing B. did C. does
It is the _________time for Brazil to host FIFA World Cup this summer.
A. second B. two C. twice