He _________ live in the country ；but now he has _________ in the city.
| A．used to ； been used to living |
| B．was used to ； used to live |
| C．used to ； been used to live |
| D．was used to ； used to living |
— I’ve read another essay this week.
— Well, maybe _____ is not how much you read but what you read that matters.
| A．this | B．that | C．there | D．it |
— Did you take enough money with you?
— Yes, but I spent _______ I had expected.
| A．not so many as | B．as many as | C．much more than | D．much less than |
Bad habits, ____formed, are difficult, and sometimes impossible to shake off.
| A．once | B．before | C．until | D．unless |
Only when you leave your parents for college education _______ how much you love them.
| A．do you realize | B．you realize | C．you will realize | D．will you realize |
The cause he had devoted himself to _______ a perfect success.
| A．proving | B．proved | C．was proved | D．has been proved |