National parks are important for preserving many animals, which would _______ run the risk of becoming extinct.
| A．instead | B．somehow |
| C．therefore | D．otherwise |
— Why don’t you attend the meeting _________ now?
— I am sorry I can’t. I am preparing for the meeting __________ tomorrow.
| A．to be held; being held | B．being held; to be held |
| C．held; to be held | D．being held; held |
Once out of the earth’s gravity, the astronaut is________ by the problem of weightlessness.
| A．affected | B．effected | C．related | D．offered |
It took Mary quite a long time to ________ a new dress at the store.
| A．pick up | B．pick out | C．work out | D．take up |
—Would you like to go to the cinema with me tonight?
— I’d like to, but it remains ________ whether I can finish my homework in time.
| A．tosee | B．tobeseen | C．seeing | D．seen |
—Which of those T-shirts do you like most?
—________ of them. They are both nice and comfortable to wear.
| A．Both | B．Neither | C．All | D．None |