It’s standard practice for senior 3 students like us ________ only 3 day off during our National Day holiday.
It is surprising that such a young boy can swim ______ the river ______ 100 meters wide.
_____ in a heavy snow, he didn’t get there in time.
The criminals ______ in a hotel the other day were connected with a murder(谋杀).
With a lot of things , John will have a difficult time.
A big earthquake hit Ludian in Yunnan, ________ many deaths and injuries and a big loss of property.