According to the traffic law，children under 12_____ride bicycles on the road．（ ）
| A． |
won't |
B． |
wouldn't |
C． |
needn't |
D． |
mustn't |
There______a number of books in the library and the number of them______increasing．（ ）
A．has，isB．have，areC．are，isD．is，are
Life is the unexpected．Whatever we do，try our best．（ ）
A．full ofB．proud ofC．instead ofD．because of
weather it is！Shall we go for a picnic？
I can't agree more．（ ）
A．What a goodB．what good
C．How good theD．How good
Could you please me your notebook，Grace？
Certainly．Here you are．（ ）
A．borrowB．to borrowC．lendD．to lend
Yesterday the teacher told us the earth the sun．（ ）
A．goes aroundB．went around
C．is going aroundD．would go around