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
What do termites feel the most important to consider before they move in the wood structure？
A. Food.
B. Housekeeping.
C. Soil.
D. Water supply.
微信支付 
支付宝支付