好老师您：
  工作辛苦了！现在有几道题请您帮助解答一下。我的英语语法不是很好，所以请您尽量详细。
Thinks a lot.
1.She often____a lot of gifts but she never____them.
A.receives,accepted   B.accepts,receives  C.acceped,received  D.received,acceped
2.By the time next year,we____twelve lessons.
A.will learn  B.have learned  C.are learning  D.will have learned
3.He left____the USAwhile his xife set____for Japan.
A.to,out  B.for,off  C.at,out  D.for,up
4.The teacher came in,____some boys.
A.follow  B.fllowed  C.to fllowed  D.following
5.Take it easy.The police will help us____the matter.
A.look through  B.look into  C.look for  D.look up
6.The boy seemed____somethingwhen I went in.
A.to write  B.writeing  C.to be writing  D.to have writen
7.It'stime you____the book.
A.returned  B.return  C.will return  D.to return
8.This is onge of the schools____in the 1950's.
A.being founded  B.to be founded  C.founded   D.having been gounded
9.You have made____many mistakes in this exam.____be careful next time.
A.so,do  B.such,do  C.so,to  D.such,to
10.Please hand in your papers one____.
A.at one time  B.at all times  C.in on time  D.at a time