Everyone shouldn't go across the street ________ the traffic lights turn green.
A.because B.after C.when D.until
I think it's a________ of time to play computer games. We must make good use of time and study hard.
A.number B.piece C.pair D.waste
The police officer caught him because he couldn't ________ why the woman's purse was in his bag.
A.decide B.doubt C.explain D.change
It is ________ to meet difficulties in our daily life. To overcome them is very important.
A.little B.usual C.fresh D.close
Don't you think it is silly of some teenagers to be ________ about pop stars?
A.polite B.crazy C.worried D.curious
(2019承德县一模)It's reported that the heavy rain had ________ great loss and trouble for the local people.
A.changed B.reduced C.caused D.stopped
