The boy talked his mother ________ buying him a home computer.
A.of | B.over | C.to | D.into |
The cars in the auto show vary ______ price from $ 100,000 ______ $ 2 million, but they have attracted many customers.
A.in; to | B.with; and | C.of; with | D.from; to |
I was told that although these old buildings _______ the Qing Dynasty, they remained in good condition.
A.are dated back to | B.dated back to |
C.dating back to | D.have dated back to |
It was Alice and her friends who helped the homeless old woman,______?
A.wasn’t it? | B.wasn’t she | C.didn’t they? | D.weren’t they? |
He felt _______ to remind the public to protect the environment.
A.his duty | B.that is his duty | C.it his duty | D.it is his duty |
The research they had been devoted to ______ to be of great value to the cancer patients.
A.is proved | B.proves | C.has proved | D.proved |