英语单项选择1、The doctor worked______five hours_______a rest.A.for

英语单项选择
1、The doctor worked______five hours_______a rest.
A.for;having B.on;without C.about;having D.for;without
2、A new factory will be set up ___ a year.
A.for B.in C.before D.on
3、The workers had been_____strike_____almost a month.
A.on;in B.at;in C.on;for D.on;during
4、I can't understand it.Will you please ___________ once more?
A.explain that word B.repeat that word
C.explain us that word D.explain that word for us
我也做了,但不太确定.
请问答案是不是D,A,C,C