Fish are ________ in ice and salt until they are salt.
| A．preserved | B．served | C．freezing | D．reserved |
______is now no doubt ________ global warming is a security threat to us all.
| A．It; that | B．There; that | C．There; whether | D．It; whether |
The doctors say that good diet, exercise and fresh air, all of which _____ the health and long life.
| A．lead to | B．refer to | C．stick to | D．contribute to |
On farewell party the foreign teacher gratefully_____ all the helps from all the school.
| A．thank | B．acknowledge | C．claim | D．declare |
On that cold day, only_____handful of people were at the station, where I made_____ acquaintance of Mr. Smith.
| A．a; an | B．a; the | C．the; a | D．the; the |
— What about renting a movie or listen to some music on the weekend?
— _________.
| A．Go ahaead, please. | B．Help yourself |
| C．Good idea. | D．Many thanks. |