谁能给我几道初三英语单项选择题？

1.____ fo the twins has been to America.
A. Both B.Nobody C. Neither D.None
2.-- ____do you study English?
-- By making flashcards.
A. Why B. How C. What D. Where
3.Mary are used ____ the door.
A. for opening B. to opening
C. as opening D. oped
4.He hardly has time for concerts,___ he?
A. don't B. doesn't C. does D. do
5.Our teacher is very strict __ us and she is also very strict ___ her work.
A. in ;with B. with ; in
C. for; in D. in ; for

1.C. None 用于三者以上，Neither 用于两者之间。Both 用于复数应淘汰。
2.B.
3.B.(be used to doing 习惯作某事）
4.C.
5.B.(be strict with sb./be strict in sth.)
这就是九年级1-3单元的题。