一I heard that you got an A in the chemistry exam．Well done!一Thanks，I know that y

题干

一I heard that you got an A in the chemistry exam．Well done!
一Thanks，I know that you a good job as well．

A．shouId have done	B．need have done
C．must have done	D．could have done

上一题下一题 0.64难度单项选择更新时间:2012-06-04 03:05:08

小学学科试题库

初中学科试题库

高中学科试题库