【B2】
A. afraid
B. against
C. busy
D. ready
How many times more people live in urban areas than in the countryside per square mile?
About 2 000 times
B. About 18 times
C. More than 100 times
D. About 4 times
What do people in Giethoorn mainly live on now?
A. Thatch.
B. Peat.
Camelhair.
D. Farming.
【B11】
A. as
B. for
C. like
D. with