题目内容

There is nothing in the box, _____ ?

A. isn’t there
B. is it
C. isn’t it
D. is there

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He has sports every day, _____ he?

A. doesn’t
B. does
C. hasn’t
D. has

This is important, _____ ?

A. is this
B. isn’t it
C. isn’t this
D. is it

Your father never smokes, _____?

A. did he
B. does he
C. didn’t he
D. doesn’t he

出口家禽不宜使用的新城疫活疫苗是哪种？

A. I 系苗（Mukteswar 株）
B. II系苗（B1 株）
C. III系苗（F 株）
D. VI系苗（La Sota 株）
E. V4株疫苗