In our class ,when the bell rang and the teacher closed his book ,it was a ________for everyone to stand up .
A.signal | B.chance | C.mark | D.measure |
推荐试卷
In our class ,when the bell rang and the teacher closed his book ,it was a ________for everyone to stand up .
A.signal | B.chance | C.mark | D.measure |
试题篮
()