There are so many beautiful clothes in the store. I really don’t know _____.

Peter survived in the accident when he fell overboard yesterday He _____ escaped drowning [ ]

下列各句中，加点的成语使用恰当的一项是（ ）（3分）

Where did you meet your middle school teacher— It was in the supermarket ______ I was doing someshopping with my son.

But for their help，we the program in time.