Julie has made great progress． How did she make it？
She works much harder than before． She says if she doesn't catch up， she will be left out ．（ ）
| A． |
be angry |
B． |
fall behind |
| C． |
give in |
D． |
get excited |
It's getting dark now． Why not stop___ home？
OK． Let's go．（ ）
| A． |
go |
B． |
going |
C． |
to go |
D． |
goes |
Yunnan is very beautiful． I ___ there last year．
Yes， I___ there twice．（ ）
| A． |
went； have gone |
B． |
went； have been |
| C． |
have gone； went |
D． |
have been； went |
Listen! I think it____ be Mr． White singing in the office．
No， it ___ be him． He left for London just now．（ ）
| A． |
must； mustn't |
B． |
may； mustn't |
| C． |
must； can't |
D． |
can； can |
The population of China is much than that of England．（ ）
| A． |
larger |
B． |
largest |
C． |
more |
D． |
large |
Have you heard of Lin Zexu and Zhan Tianyou？
Of course． They are our national （ ）
| A． |
hero |
B． |
heros |
C． |
heroes |
D． |
hero' s |