In those days bikes were not ______ used because few people could afford (负担起) to buy one.
A. quickly B. hardly C. widely D. nearly
Jenny keeps two pets. One is a dog, ______ is a rabbit.
A. another B. an other C. the other D. other
Which of the following signs is used to tell people to save water?
A. 
B. 
C. 
D. 
He was ______ tired ______ go on walking.
A. so, that B. such, that C. too, to D. as, as
Have you ever read books ______ by Lu Xun?
A. writing B. written C. are written D. writes
—It’s too late. I have to go now.
—Oh, it’s raining outside. Don’t leave ______ it stops.
A. since B. until C. while D. when
