—Where are Jeff and Jack?—They _______ in the river.
A.are taking a walk | B.are swiming |
C.are swimming | D.are playing basketball |
Spring is the best _______ of the year, because we can see lots of beautiful flowers.
A.date | B.day | C.season | D.vacation |
I ________ the room yesterday, so it is not dirty today.
A.clean | B.cleaned |
C.will clean | D.is cleaning |
When the sun shines, the clouds _________ , and we can see everything much better.
A.clear | B.clean | C.appear | D.leave |
The Three Gorges Dam can produce _________ for millions of people every year.
A.electricity | B.water | C.love | D.light. |
— Shuofang Airport, please. I have to be there by 7:00.
— _________, but I'll do my best.
A.I can't promise anything | B.Don’t worry |
C.We still have enough time left | D.Sorry, I can’t |