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
单项选择题 I （） help. I can do it myself.
单项选择题 Since the road is wet,（） last night.
单项选择题 （）that it was raining, he put on his raincoat.
