Riding a bike is ________ than driving a car and it is good for our health.
A.cheap B.cheaper C.cheapest D.the cheapest
I often watch English movies ________ it can help me improve my English.
A.so B.but C.because D.or
In England, we ________ say Mr. or Mrs. when we meet someone for the first time.
A.can B.must C.need D.might
—________is the population of New York, the biggest city of America?
—About 8.5 million.
A.Where B.When C.Who D.What
Shenzhen is ________ the south of China.
A.in B.at C.on D.to
Pandas are in danger and we should protect ________.
A.it B.them C.her D.him