题目内容：

『急』几道英语非谓语动词题求解
1 I've worked with children before,so Iknow what ___in my new job
A.expected B.to expect C.to be expecting D.expects
2.There are five pairs ___,but I'm at a loss which to buy.
A.to be chosen B.to choose from C.to choose D.for choosing
3.-What's the chance ot there___an election this year?
-I have no idea.
A.is B.to be C.being D.be
4.___a reply he dacided to write again.
A.Not receiving B.Receiving
C.Not having received D.Having not received