They arrive Beijing late the evening. [ ]

Is this ________ key, Tom? —No, that one is ________.

My car alarm is always______ whenever my neighbor’s cat goes under my car.

＿＿＿＿＿＿ you leave so soon?-Yes. I have to catch my plane.

The art exhibition is really worth _______，and you’re sure to learn lot from it.