6. —May I open the window to let in some fresh air?
—___________.
A. Cheer up B. Take care C. Go ahead D. Never mind
7. Passengers are permitted _____ only one piece of hand luggage onto the plane.
A. to carry B. carrying C. to be carried D. being carried
8.This job is not very attractive _____money, but I can get plenty of valuable experience from it.
A. in case of B. in return for C. in terms of D. in addition to
