Journey to the West is a book ________ influences teenagers a lot．It is very popular．（ ）
| A． |
who |
B． |
when |
C． |
which |
D． |
what |
The mobile phone in 1973．（ ）
A．inventsB．is invented
C．inventedD．was invented
Lily is my classmate．We each other since she came to our school．（ ）
A．knowB．knewC．have knownD．will know
My mother some washing when the telephone rang．（ ）
A．doesB．didC．is doingD．was doing
﹣﹣﹣How do you usually go to school？
﹣﹣﹣I to school on foot．（ ）
A．goB．wentC．was goingD．will go
﹣﹣﹣ I hand in the report today？
﹣﹣﹣No，you needn't．（ ）
A．CanB．MustC．ShallD．Could