【题目】It's nice to go a walk ______ a spring evening.
A.for; on
B.at; on
C.to; on
D.to; in

【题目】A lot of famous doctors gathered in New York_____ save this old woman.
A.so that
B.in order that
C.in order to
D.as a result

A. send B. will be sent

C. was sent D. sent

【题目】They_________ China for two years.
A.has been to
B.have been in
C.have gone to
D.has come to

A. must B. can C. should

---We need one cup of yogurt.

A. How much B. How many C. How often

【题目】Do you finish the letter?
A.to write
B.writing
C.write
D.writes

A. because B. although C. if

【题目】He saw two thieves rush out of a shop and run towards a waiting car.
A.to
B.in
C.out

A. plant B. is planted

C. were planted D. are planted