英语语法89.Every day each file has to ( ) and the mails need ( )
3个回答

89.B

be checked; examining

need 接动名词主动形式,表示被动意义、这时动名词和主语之间有动宾关系,need doing 可转换为 need to be done 结构,意思相同.即:need examining= need to be examined

90.A.

含有“同位语从句”的复合句.

主句:There is no doubt at all.

同位语从句:...that he can finish the homework in time