A new underground ________ Wuxi ________ Shanghai will be built soon.

Mark said that he was unfit for the job, so he decided to _____ from the company.

When the old man got home，he found that the house had been________and a lot of things had been stolen.

aited for a reply, but__________came.

一What do you think of the UNICEF 一Great. Its programs have saved thousands of children in Africa who would have______died from lack of food or terrible diseases.