单项选择题
A.need B.should C.oughtto D.have to
Mr. Baker, a dozen students want to see you. （） they wa...
单项选择题Mr. Baker, a dozen students want to see you. （） they wait here or outside?
A.Should B.Will C.Shall D.Are
I （） help. I can do it myself.A.need toB.don’t...
单项选择题I （） help. I can do it myself.
A.need to B.don’t need C.needn’t D.need
Since the road is wet,（） last night.A.it must ...
单项选择题Since the road is wet,（） last night.
A.it must have rained B.it must rain C.it must be raining D.it must have been raining
