单项选择题
A.write B.have written C.was writing D.have been writing
I’ve come to ask him for the book. That’s why I （） wait...
单项选择题I’ve come to ask him for the book. That’s why I （） wait until he comes back.
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
