Although this ____ sound like a simple task, great care is needed.
| A．must | B．may | C．shall | D．should |
He made a wonderful discovery, ___ of great importance to science.
| A．which I think is | B．which I think it is | C．which I think it | D．I think which is |
To the ___ of the manager, there are so many people who are ___ with the products made in his company.
| A．satisfy; satisfied | B．satisfying; satisfied | C．satisfaction; satisfied | D．satisfaction; satisfying |
With the help of the soldiers, many people ______ in the ruins were saved.
| A．trapping | B．having trapped | C．to be trapped | D．trapped |
After a day’s walk in the desert, the explorers reached the camp, _______.
| A．tired and hungrily | B．tiring and hungry |
| C．tiredly and hungrily | D．tired and hungry |
. Michael Jordan is the greatest basketball player _________.
| A．of all times | B．of all the time | C．of all the times | D．of all time |