1. It isn't so much whether he works hard;the quetion is whether he works ___?
A.at all B.aafter all C.above all D.in all
2. The westerner is used to eating food with _____while we Chinese use chopsticks.
A.the knife and a fork B.a knife and fork C.a knife and a fork D.the knife and fork.
急,最好能说下原因~谢谢!