________ from the moon, our earth with water ________ seventy percent of its surface looks like a blue sphere.
| A．Seen; covered | B．Seeing; covering | C．Seen; covering | D．Seeing; covered |
If you haven’t got the service advertised on their website, they you have _____ to complain about it.
| A．choice | B．purpose | C．right | D．reason |
The manager listened to the customers’ complaints attentively with great patience, _____ to miss any point.
| A．not trying | B．trying not | C．to try not | D．not to try |
Never should we forget the war and sufferings _____ caused to the people.
| A．it | B．which | C．that | D．what |
As soon as his teacher begins lecturing, he begins to doze off, not intentionally but _____.
| A．personally | B．randomly | C．habitually | D．unconditionally |
The Chinese lunar New Year usually _____ two records: the world's most watched television gala show, and its busiest telecommunications network.
| A．develops | B．witnesses | C．establishes | D．launches |