【B5】
A. need to
B. must
C. have to
The founders of Google are married.
A. Y
B. N
C. NG
The percentage of US billionaires in the list is falling.
A. Y
B. N
C. NG
The main thing the author notices about the furniture is that ______.
A. it looks or smells dirty
B. most of it is in poor condition
C. it is very cheap
D. nothing matches anything else
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