单项选择题
A.ran over B.ran into C.ran through D.ran down
It is not easy to learn English well, but if you（） you ...
单项选择题It is not easy to learn English well, but if you（） you will succeed in the end.
A.hang up B.hang about C.hang on D.hang onto
The committee kept the results of the survey（）fearing a...
单项选择题The committee kept the results of the survey（）fearing a bad public reaction.
A.in itself B.to itself C.by itself D.of itself
In（）to your inquiries, we regret to inform you that we ...
单项选择题In（）to your inquiries, we regret to inform you that we can’t help you in this matter.
A.order B.response C.answer D.reaction
