I have difficulty working out the problem by myself．Could you help me？
_____________．（ ）
| A． |
It's my pleasure |
| B． |
With pleasure |
| C． |
No，l couldn't |
The Chinese government will always do ．（ ）
A．what has he promised to do
B．what has he promised do
C．what he has promised do
D．what he has promised to do
You must make sure your mask （口罩） is clean you put it on．（ ）
A．beforeB．afterC．sinceD．where
We believe that China will become one of in the world．（ ）
A．the strong countries
B．the strongest country
C．the strongest countries
D．the strong country
Look at that girl! Is it Zhuoma？
No，It be her． Zhuoma has gone to her hometown．（ ）
A．mustn'tB．needn'tC．canD．can't．
I have never been to Beijing， Lisa．
．（ ）
A．Neither am IB．Neither I am
C．Neither have ID．Neither I have