1._______rich men should expect to pay higher taxes.

1._______rich men should expect to pay higher taxes.
A.Some B.The C.-
2.______rich man who bought the house next door is always abroad.
A.A B.The C.Some
3.______rich men are very generous to other people-but not all of them.
A.Some B.The C.-
4.The children went to _______school without having breakfast this morning.
A.- B.The C.a
5.They have pulled down_______infant school that I used to go to.
A.an B.a C.the
更重要的是要解析,为什么选那答案~
1.2.3题的就够了，我实在不知道为什么有时候用the,有时候用a,有时候又不用冠词……