You must （）your bad habits.

单项选择题You must （）your bad habits.

A.give off
B.give up
C.give out

1.单项选择题Mary is not here. She （） to Paris.

A.went
B.has gone
C.has been

2.单项选择题This question was （）difficult that no one could answer it.

A.too
B.very
C.so

3.单项选择题Hurry up，（）you’ll be late.

A.but
B.and
C.or

4.单项选择题Don’t talk（）that.

A.as
B.at
C.like