As far as we know, half of Canadian teenagers do not get enough sleep on school

题型：安徽省模拟题难度：来源：

As far as we know, half of Canadian teenagers do not get enough sleep on school nights, _____?[ ]
A. do they
B. don"t they
C. don"t you
D. isn"t it

答案

举一反三

Mrs. Black doesn"t believe that her son is able to design a digital camera, ______?[     ]
A. is he
B. isn"t he
C. doesn"t she
D. does she

题型：安徽省模拟题难度：| 查看答案

There is little doubt in your mind that he is innocent, _______?[     ]
A. is there
B. isn"t there
C. is he
D. isn"t he

题型：江苏高考真题难度：| 查看答案

I heard that some patients who had undergone laser eye surgery experienced sudden
losses of vision, ______?[     ]
A. didn’t I
B. hadn’t they
C. didn’t they
D. isn’t it

题型：河北省模拟题难度：| 查看答案

When you pass the post office,don"t forget to post the letter for me,______? [ ]

A. will you
B. won"t you
C. do you
D. don"t you

题型：专项题难度：| 查看答案

It"s a fine day. Let"s go fishing,____? [ ]

A. won"t we
B. will we
C. don"t we
D. shall we

题型：专项题难度：| 查看答案