问题
选择题
If you want to catch your flight, you’d better ____ for the airport right now.
A.cut off
B.cheer up
C.set off
D.settle down
答案
答案:C
题目分析:考查短语辨析。A切断;B高兴起来;C出发;D定居。句意:如果你想要赶上航班,你最好现在就出发去机场。根据句意说明C正确。