根据句意和汉语提示，填写恰当的短语完成下列句子。

1. I hope you can come back___________ (尽快地).

2. All the teachers ____________(乐意帮助) students to solve their problems.

3. We should ___________(坚持) our dreams and try to achieve them.

4. ____________(数以千计的) students were surveyed about their favorite foods.

5. My sister _____________(梦想) becoming a singer. She likes singing very much.

对重要的进口商品和( )，收货人应当依据对外贸易合同约定在出口国装运前进行预检验、监造或者监装。

A．大型设备
B．大型成套设备
C．重要设备
D．贵重设备