The customs office is your luggage is inspected when you enter or leave a country.
A．where B．when C．why D．who
We are proud of our hometown, which is in coal and natural crystal（水晶石）.
A．abundant B．universal C．remote D．autonomous
However much you have done, you ought to the help you’ve received from others.
A．donate B．acknowledge C．conduct D．guarantee
The girls in the photograph are twins, is my classmate in high school.
A．the taller of them. B．the taller of whom.
C．the tallest of that D．the tallest of who
I have made greater progress in English, and my teacher inspired me to keep it .
A．away B．off C．back D．up
I’m concerned, the computer you want is not very expensive and you can afford it.
A．As far as B．As long as C．As much as D．As well as
