The speed ___light travels is very high.A which B at which C

The speed ___light travels is very high.A which B at which C light travels at a speed which is about a million times fast 判断正误Light travels at a speed which is about a million times 英语翻译Light travels at a speed which is about a million times which is either a very high bar or the beginning of a very f The park,____ we met with him,is very nice.A.where B.which C The house ___they lives is very big.A.which B.that C.in whic Who is the man---was standing at the door?A.who B.which C.th ---was said at the meeting is important.A:what B:which C:tha The way——he looks at problems is wrong A which B whose C wha The way_he looks at problems is wrong.A which B whose C what is this factory you work at 填空 a the one b which c that d wh