a man coming, the thief ran away.

A、At sight

B、In sight

C、At the sight of

D、In sight of

A、made, has started

B、has made, started

C、have made, started

A、which

B、who

C、those

A、took

B、was taking

C、was taken

A、is situated

B、located

C、situated

A、Why don't we go to

B、Why didn't we go to

C、Why aren't we go to

A、as a result

B、at last

C、in the end

D、therefore

A、don't we

B、shall we

C、aren't we

A、broken

B、break

C、breaking

A. 太阳有黑子

B. 月亮凹凸不平

C. 木星有卫星

D. 以上都观测到了