The drill in Antarctica dragged on slowly because of lack of money, equipment breakdowns, environmental _____ and severe cold.
| A．concerns |
| B．assumption |
| C．occupations |
| D．ignorance |
China has launched another man－made satellite，________ is announced in today's newspaper.
| A．that | B．which | C．who | D．what |
______ can do a job patiently and attentively for many years unless he loves it.
| A．Anybody | B．Nobody | C．Everybody | D．Somebody |
Environment protection requires our joint effort. ______ will be achieved unless we work well together.
| A．Nothing | B．Anything | C．Something | D．Everything |
---Can I join your club, dad?
---You can when you _______ a bit older.
| A．are getting | B．will get | C．get | D．will have got |
Because the shop_______, all the T-shirts are sold at half price.
| A．has closed down | B．closed down |
| C．is closing down | D．had had closed down |