根据所给中文意思完成句子，每空限填一词。
【小题1】我到达时，他们正在吃早餐。
They were _______ _______ when I arrived at their house.
【小题2】去查看一下是谁在按门铃，问他要什么。
_______ ______ who is ringing the doorbell and what he wants.
【小题3】我看也不看就删掉了垃圾邮件。
I _______ _______ junk mail without reading it.
【小题4】至少我们没有损失时间，这就算是幸运的了。
_______ _______ we didn’t lose time. That’s something lucky for us.
【小题5】时间一分一秒地过去，艺术家坐着沉默不语。
The artist sat _______ _______ while the minutes passed.

The brave soldier went on fighting, _______ he was wounded.

A．though

B．if

C．because

D．since

I looked down to the river, a silver stream _______ one mile below me.

A．lonely

B．nearly

C．properly

D．recently

Charles Schulz created Snoopy and his friends, and drew the cartoons to _______ older people as well as children.

A．punish

B．regret

C．afford

D．satisfy

My parents want me to help the community and increase my _______ of the world.

A．operation

B．treasure

C．instrument

D．knowledge

We got _______ when we went to different schools last term, but we stayed in touch.

A．total

B．certain

C．humorous

D．separated

Betty is _______ of things for her trip. She likes to get things ready earlier.

A．getting into trouble	B．making a list
C．waiting a minute	D．taking a walk