Don’t talk（）that.

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

A.too
B.very
C.so

单项选择题He （） a very important part in the management of the company.

A.takes
B.plays
C.keeps

单项选择题The new skirt （） her $30.

A.cost
B.spent
C.took

单项选择题Please come to （） your ticket at the booking office.

A.check up
B.pick up
C.turn up

单项选择题She didn’t leave for the airport （） you came.

A.unless
B.until
C.if