Yingying a piece of litter, and put it into the rubbish bag.
A.picked up | B.threw away |
C.looked for | D.handed in |
Trees ____ fight air pollution.They are natural air conditioners.
A.should | B.must | C.need | D.can |
____ it snowed heavily yesterday, nobody in our class missed the lesson.
A.Though | B.Because | C.Unless | D.Since |
Tomorrow there’s a programmed about our school on TV,then it ____ by millions of people.
A.will see | B.saw | C.will be seen | D.was seen |
My brother is two meters in height.It’s very difficult to find clothes big enough ____ him.
A.about | B.at | C.with | D.for |
—Have you ____ joined in a dragon boat race?
—Yes,I have.
A.never | B.still | C.seldom | D.ever |