What _______ public is concerned about is whether medical workers and scientists will be able to find _______ cure for this new disease after the vaccine(疫苗) is tried on volunteers.
| A．/；/；/ | B．the；the；/ |
| C．the；/；the | D．the；a；the |
She promised to be here at 8:00, but she never ______.
| A．turned down | B．turned off | C．turned over | D．turned up |
The fishing village where they went on a journey lies in is now part of Hainan province.
| A．where | B．what | C． which | D．that |
---Did you sleep well here?
---_________. I was tired after the day’s work and was soon dead to the world.
| A．Never worse | B．Much worse | C．Never better | D．Better off |
I didn’t see her in the musical hall this evening. She have sung at the concert.
| A．mustn’t | B．shouldn’t | C．needn’t | D．couldn’t |
—I’m thinking of the test tomorrow. I am afraid I can’t pass it.
—______! I’m sure you will make it.
| A．Good luck | B．No problem | C．Cheer up | D．Go ahead |