You should do it learning ____ to drive a car.

You should do it learning ____ to drive a car.
A until
B when
C after
D before
There are not many book in our library;will you please _____ some?
A bring in
B get in
C take in
D let in
The students in our class study both English and French.
The student in our class study English and French ____ ____.
[改成同义句]
I like swimming in this river very much.
I like swimming in this river _____ _____
[改同义句]
因为没有公共汽车,我们只好步行回家.
Because there was no bus,we ____ _____ _____ _____.
[翻译上面的]