1 . Up to now, more than 90 rooms ___________ (decorate) with the valuable paintings. （所给词的适当形式填空）

2 . Our teachers spare no effort to create an atmosphere ___________ enables us to study attentively and harmoniously. (用适当的词填空)

3 . For some of us, the Spring Festival is the only occasion ___________ we have the time to be with our parents. （用适当的词填空）

4 . She was under extreme pressure ___________ moment she heard a familiar but horrible voice coming out of the room. （用适当的词填空）

5 . When deeply ___________ (absorb) in his phone, he didn’t notice his mother approaching. （所给词的适当形式填空）

6 . 同时，我们都会经历各种悲伤或痛苦的时期。（go)
At the same time, we all ______ ______ various periods ______ we feel sad or alone.

7 . The evidence ______ smoking can lead to many health problems, such as lung cancer and heart disease, is overwhelming.

A．how

B．what

C．if

D．that

10 . Researchers claim that young people may risk going deaf if ____________ (expose) to very loud music on a daily basis. (所给词的适当形式填空)