精英家教网 > 高中英语 > 题目详情
Everyone passed the exam.It _________ difficult.?
A.can’t have beenB.must have beenC.couldn’t beD.might have been?
练习册系列答案
相关习题

科目:高中英语 来源:不详 题型:单选题


It has been announced that all the students ______ put on the masks before going to school in case they are infected with SARS virus.
A.shallB.willC.needD.may

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

The meeting is not over, and you____ not leave.
A.willB.shallC.mayD.need

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题


“Shall I come tomorrow ?” “I’d rather you ______.”
A.won’tB.didn’t
C.don’tD.wouldn’t

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题


You        fail to pass the entrance examination if you don’t study harder.
A.shallB.couldC.mustD.should

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

 Jenny ______ with him at that time, for I was having dinner with her in my home.
A.can’t have beenB.mustn’t have been
C.must beD.may be

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

She thinks she can get there on time, ________ she?
A.canB.doesn'tC.can'tD.does

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题


-Mary didn’t turn up last time, did she?
-No. She ______ . We had changed our plan.
A.shouldn’t have comeB.needn’t have to come
C.didn’t need to comeD.needn’t have come

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题


“Why didn’t she come to the meeting yesterday?” “I’m not so sure. She ______ ill.”
A.should beB.should have been
C.must beD.might have been

查看答案和解析>>

同步练习册答案