--Look! The telephone is broken. Someone damaged it ________ purpose.
--That may be right. But perhaps it was broken _________ accident.
| A．on; by | B．by; by | C．on; on | D．by; on |
---Jack, you erase the blackboard today, __________?
---But I did it yesterday.
| A．will you | B．do you | C．would you | D．don’t you |
Considering your income, you should be able to ______ at least twenty dollars a week.
| A．put forward | B．put in | C．put down | D．put aside |
Boys and girls, you should know what a great difference good manners in public will ________ to a person.
| A．owe | B．belong | C．contribute | D．make |
—Why is your wife wearing a mask in such good spring?
—Because she is_________ to flowers.
| A．fragile | B．cautious | C．addicted | D．allergic |
Of the two brothers, Bill is ______ younger one, and he is a quiet boy, ______ that most adults like very much.
| A．a; one | B．a ; the one | C．the; one | D．the ; the one |