问题

It was three o’clock _______ he came back from work
A:since
B:when
C:that
D:before
B:when
C:that
D:before
正确答案是:
同类题型
There are as many as five student clubs in our school. You can join _____ interests you most.
He dived_______into the river to save the girl and I was ______ moved by his deed
My deskmate is really _____. She likes to attend different activities after school.
In this exam, you’re asked to write a composition of about ________.