I’m busy when people go out ___ dinner. [ ]

This is _____ room.

His parents live ______ in a small house, but they don’t feel ..

What do you think of your trip to Hainan? —Wonderful. We were all ________with the ________trip.

.As reported in the essay by Prof. Brown, it is only in the most difficult circumstances ________ a man’s abilities are fully tested.