想问一些在做题中不懂的问题Everyone realizes today that if too many fish a

想问一些在做题中不懂的问题
Everyone realizes today that if too many fish are taken from the sea,there will soon be none left.Yet,with modern fishing methods,more and more fish are caught.Fish ___8___at sea so that fishing boats ___9___return home quickly with their catch,and can fish farther from the coasts.We even use satellites to give us information about where the fish are.
8.A.are set free B.are freezing
C.are raised D.are frozen
9.A.haven’t to B.don’t have to
C.must not D.don’t need
为什么第8题选C
第9题选B?
Rose asked her elder sister,“Why is ______Mother out of work?”
A.x B.the C.our D.a
为什么选A
是不是因为mother的M
大写了么?
There used to be few people on the earth and natural resources seemed to be unlimited.But today___1___are different.
A.situations B.things C.affairs D.matters
为什么选B,为什么不选A?
Though he is just a little boy,we still should show respect ______ his wishes,rights and habits.
A.for B.to C.at D.toward
不是show respect for么?
是不是因为后面接的词是没有生命的,所以就用to了?