Because of climate change, the ice that polar bears depend on for survival .
| A．are slowly disappearing |
| B．is slowly disappearing |
| C．are slowly disappeared |
| D．have slowly disappeared |
–What’s the noise?
–It’s the drill. Since the beginning of the term, the workers _______ our heating system.
| A．are repairing | B．have been repairing | C．will be repairing | D．repair |
According to the instructions, the medicine can bring much _________ from the pain.
| A．effect | B．comfort | C．relief | D．relaxation |
Tom is very clever, but he doesn’t like working hard. _________ Will.
| A．Neither is | B．So is | C．It is the same with | D．The same is |
Hearing the news that he failed in the entrance exam a third time, he sobbed _________.
| A．eagerly | B．desperately | C．seriously | D．carelessly |
What would have happened ________, as far as the cliff?
| A．if Bob has walked farther | B．if Bob should walk farther |
| C．if Bob had walked farther | D．if Bob walked farther |