The expert insisted that silkworms were first raised by a woman in is now Hebei Province.
| A．which | B．that | C．where | D．what |
– How are you getting on with your father, Lucy?
– Couldn’t be . However hard I try, he just isn’t satisfied.
| A．better | B．worse | C．the best | D．the worst |
from the moon, our earth with water seventy percent of its surface, appears a blue ball.
| A．Seen; covered | B．Seen; covering |
| C．To see; covering | D．Seeing; covered |
We can help poor in so many ways and even the smallest effort can make difference.
| A．the; a | B．不填; the |
| C．不填; a | D．the; the |
—How do you find your trip to Taiwan during the week-long National Day
Holiday ?
—________ I can't speak too highly of it.
| A．You said it. | B．It's awful! |
| C．Don't mention it. | D．Oh, wonderful indeed! |
_________ , the world would be more harmonious.
| A．Weren't there any wars | B．There weren't any wars |
| C．Were there no wars | D．Had there no wars |