—The terrible accident is under investigation.
—Actually, quicker action ______ those workers trapped in the mine.
| A．might have saved | B．must have saved | C．should have saved | D．could have saved |
Having passed all the tests, she felt a great weight _____ off her mind.
| A．taking | B．taken | C．take | D．to be taken |
New ideas sometimes have to wait for years before _____.
| A．being fully accepting | B．fully accepting | C．having fully accepted | D．fully accepted |
How could he get the plan _____ without any one to support him?
| A．to carry out | B．carry out | C．carrying out | D．carried out |
The sun was shining brightly, _____ everything there _____ more beautiful.
| A．making; look | B．to make; looked | C．and made; looking | D．and making; be looked |
Don’t worry. I’ll have it _____ and get someone _____ it to you tomorrow.
| A．typed; send | B．to type; to send | C．type; send | D．typed; to send |