When ______ by the teachers, a student tends to study harder than usual.

It's no good ________ here. Let's go home.

Alibaba has become China’s largest online commercial company, earning _____ a profit of 6.42 billion yuan in 2011.

　　　    such heavy loss in the hurricane, the farmer didn’t expect to have a good harvest.

______in her most beautiful skirt, the girl tried to make herself ______ at the party.