He （） a very important part in the management of the company.

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

单项选择题That book gives a very vivid （） of that city.

A.picture
B.photo
C.view

单项选择题The police knew the （） of the accident.

A.cause
B.reason
C.result