The sign reads "In case of_______fire, break the glass and push______red button. "
| A．/; a | B．/; the | C．the; the | D．a; a |
The deserted island is only _______ by boat.
| A．suitable | B．practical | C．available | D．accessible |
As is widely acknowledged, a great number of traffic accidents ____ numerous deaths and countless property loss all over the world every year.
| A．depend on | B．contribute to | C．result from | D．aim at |
To their great _____, Tom’s problem proved not to be as serious as they had feared.
| A．happy | B．worry | C．anxiety | D．relief |
________ we had read your letter _____the true state of affairs.
| A．It was until… that we understood | B．It was not until…that we understood |
| C．Until …did not we understand | D．Not until… we understood` |
Books of this kindwell.
| A．sell | B．sells | C．are sold | D．is sold |