问题

The children are dirty from head to foot because they ________ in the mud all morning.

A:play
B:had played
C:will play
D:have been playing;

正确答案是：

同类题型

You must do as I told you.— ______ I don’t

The news that Helen won the first prize _________ her family and friends.

r his father’s sudden illness, he would neverthought of breaking this ______with you

the rain stops, we’ 11 set off forthe station

The boy was _________ jeans and a verysmart jacket.