Is your friend British or American？
__________．She is Canadian．（ ）
A．BothB．EitherC．NeitherD．None
China is making _______ to help more developing countries fight against COVID﹣19.（ ）
| A． |
a decision |
B． |
a mess |
C． |
an effort |
D． |
a mistake |
﹣﹣﹣I'm proud of our China's Tiangong Station plan.
﹣﹣﹣Me，too.We have taken another step ______ our space dream.（ ）
| A． |
behind |
B． |
towards |
C． |
across |
D． |
besides |
Mrs.Jones ______________in the garden at this time yesterday.（ ）
| A． |
worked |
B． |
was working |
| C． |
has worked |
D． |
_____it over，and you will be able to work out the problem.（ ）
| A． |
Thinking |
B． |
To think |
C． |
Think |
I like smart clothes ____are made of silk.（ ）
| A． |
who |
B． |
which |
C． |
what |