—How many hours do they exercise every day?—_____.[ ]A. twice a day B. two
题型：同步题难度：来源：
—How many hours do they exercise every day?
—_____. |
| [ ] |
A. twice a day
B. two
C. once
D. often |
答案
| B |
举一反三
| Complete the sentences with the given words in their proper forms（用括号中所给单词的适当形式完成下列句子) 。 |
1. The students took the PISA test in _____subjects - reading, maths and science. (third)
2. Board games are more and more popular among _____. (teenager)
3. I liked to walk in fields on _____days and to see my footprints left behind. (snow)
4. _____people often begin their conversations by talking about the weather. (Britain)
5. The news about education has attracted the public attention _____. (recent)
6. The World Chocolate Park showed a_____of many kinds of chocolates. (collect)
7. To improve your writing skills, you"d better _____a habit of reading. (development)
8. Don"t tell lies. Nobody likes those _____people. (honest) |
| The government of Chongqing is building______cheap and good houses for the people. |
A. thousand
B. thousands
C. thousand of
D. thousands of |
—How long is the river?
—It"s ___ meters. |
| [ ] |
A. about three hundred and seventeen
B. more than two hundreds
C. about two hundred and fourty-five
D. less than two hundreds |
—How many birds can you see in the trees?
—I can see birds in them. |
| [ ] |
A. hundreds of
B. five hundreds
C. hundred of
D. five hundreds of |
| Some scientists think that it may take ________ years to make robots look like people. |
| [ ] |
A. hundreds of
B. two hundreds of
C. two hundreds
D. two hundred of |
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