___________it in the flesh, I would never have known the drought in southwest China is so serious and people are suffering so much.
| A．Had I not seen | B．If I did not see |
| C．Should I not see | D．Were I not seen |
Some day you'll ________ all of this and say, "Hard as it is, it makes me who I am today. And this is a good thing. "
| A．look down on |
| B．look forward to |
| C．look back on |
| D．look up to |
In the rainforest of the Amazon, 50 to 150 plant species ________ every day.
| A．are being destroyed |
| B．are destroying |
| C．have been destroyed |
| D．destroyed |
Mr. Smith was __________ of the __________ speech, so he began to read a novel.
| A．tired; bored |
| B．tired; boring |
| C．tiring; boring |
| D．tiring; bored |
—How was Robert's cooking?
—Oh, pretty good. I was quite ________.
| A．admired |
| B．interested |
| C．impressed |
| D．inspired |
The wings of the plane, which stretched out for 80 feet, were __________ of its body.
| A．more than the length twice |
| B．more than twice the length |
| C．twice the length more than |
| D．twice more than the length |