1、Each time ____ they met they would talked long hours together.

　　A.which　　B.during　　C.when　　D.不填

　　2、____, the compass was first made in China.

　　A.It is known to all　　B.It is known that

　　C.We know all　　　D.As is known to all

　　3、He must be from Africa, ____ can be seen from his skin.

　　A.that　　B.as　　C.who　　D.what

　　4、Please lend us ____ tool as was used the other day.

　　A.same　　B.as　　C.the same　　D.that

　　5、The Second World War ____ millions of people were killed ended in 1945.

　　A.when　　B.during that　　C.in which　　D.which

　參考答案：

　　1、D　2、D　3、B　4、C　5、C