问题

When John woke up he was in the hospital, but he didn’t know how that had

A:been happened
B:come about
C:been come about
D:been taken place

正确答案是：

同类题型

Leonardo da Vinci ________ birds kept in cages in order to have the pleasure of setting them free

can often help solve problems and draw attention to situations_______ help is needed

下列各句中，没有错别字的一句是（）

what do you think of Bill? —He is a hard-working student and he always ____himself in study.

I don’t mind ________ in my garden on weekends.