The teacher asked us ___________ so much noise.
.It is reported that the number of people who ________cars in China ________increasing fast.
.None of us know what happened ________ him ________ the evening of November 12.
.Mary talked ________ she had seen the fire. But in fact she only heard of it from others.
. This is really a big problem for all of us, but I’m sure we can ________ it soon.
Mike has recently caught A-H1N1. ________, he will have to be away from school for several days.