By the time the teacher came, we ______ cleaning the classroom．（ ）
| A． |
finished |
| B． |
have finished |
| C． |
had finished |
﹣I have difficulty in learning Chinese．Could you give me some help？
﹣Sure．Reading a lot will help you improve your Chinese．（ ）
A．questionsB．problemsC．tasks
﹣I worked as a volunteer in the school library last Friday afternoon．
﹣Really？Can I go with you next time？（ ）
A．hadB．madeC．was
Ancient Greeks used a giant wooden horse to capture the city of Troy．（ ）
A．hugeB．wonderfulC．wide
﹣I wonder______．﹣It will fall on a Saturday．（ ）
| A． |
how will National Day fall on this year |
| B． |
How National Day will fall on this year |
| C． |
What day will National Day fall on this year |
| D． |
What day National Day will fall on this year |
﹣______!Something is falling down from the tall building．﹣Dear me!It's dangerous．（ ）
| A． |
Look out |
B． |
Help yourself |
C． |
What a pity |
D． |
Shut up |