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37. Chris be / ha / Ha Bay several times.
A. Chris was going to Ha Long Bay several times.
B. My classmates suggest I do research.
C. Chris wants to be to Ha Long Bay several times.
D. Did you like to go to school late when you were small?

38. Did you go to school late when you were small?
A. Did you go/ school / late / when / you / small?
B. Why did you go to school late when you were small?
C. Did you like to go to school late when you were small?
D. When you were doing school.

39. My classmates suggested doing research about clothing in the 19th century.
A. My classmates suggest; I do research.
B. If you were more careful, you should get a better mark.
C. If you are careful, you might get a better mark.
D. If you will be careful, you can get a better mark.

40. If I be careful I get a better mark.
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