单项选择题
A.haven't B.have C.don't D.do
You have caught a bad cold so you（）stay in bed nowA.mus...
单项选择题You have caught a bad cold so you（）stay in bed now
A.mustB.needC.haveD.shall
You have a good voice.（）A.Thank youB.Not at all C....
单项选择题You have a good voice.（）
A.Thank you B.Not at all C.Just so so D.My voice isn't good
You had better（）a doctor as soon as possible.A.seeing ...
单项选择题You had better（）a doctor as soon as possible.
A.seeing B.saw C.see D.seen
