题干

—Shall I turn on the TV, Mom?
—No. You should be quiet _____ wake up your sleeping brother.
A.so not as toB.so as not toC.so as to notD.not so as to
上一题 下一题 0.64难度 单项选择 更新时间:2013-06-24 07:54:06

答案(点此获取答案解析)