1.--------,after hours of climbing,we reached the top of the

1.________,after hours of climbing,we reached the top of the mountain.2.You used to live in Lon
一、用含有at的词组填空
1.________,after hours of climbing,we reached the top of the mountain.
2.You used to live in London,didn’t you?Where are you living _________?
3.Most of the time Pat is a very nice person,but _______ he can be very unpleasant.
4._________ the police thought they had the right man,but later they realized their mistake.
5.There must have been ________ 2,000 people at the concert.
6.Doctor,my son has had a serious accident.Can you come _________?

At last
at present
at some time
At first
at least
at the moment

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