Choose can,must,may,might or should to fill in the blank. 1.If you don't want to miss the last bus of the day,you...go to the bus top immediately. 2.If you don't feel well enough for the walk,you...stay at home and take a rest. 3.If you think this T-shirt is overpriced,you...not buy it. 4.My parents are very strict.I...ask for their permission if I want to go out in the evening. 5.If you have completed your homework,you...watch TV or play computer games in one hour. 6.If you want your drink to be cooler,you...need to add some more ice. 7.If you want to see her during office hour,you...call to inform her in advance,i think. 8.If no one answers the doorbell,they...not be at home now.

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School exams are, generally speaking, the first kind of tests we take. They find out how much knowledge we have ...1. But do they really show how intelligent we are? After all, isn’t it a ........2 that some people who are very successful academically don’t have any ........3 sense? Intelligence is the speed ........4 which we can understand and .........5 to new situations and it is usually tested by logic puzzles. Although scientists are now preparing ..........6 computer technology that will be able to “read” our brains, ........7 tests are still the most popular ways of measuring intelligence. A person’s IQ is their intelligence .......8 is measured by a special test. The most common IQ tests are ........9 by Mensa, an organization that was founded in England in 1946. By 1976 it .......10 1,300 members in Britain. Today there are 44,000 in Britain and 100,000 worldwide, ........11 in the US. People taking the tests are judged in ........12 to an average score of 100, and those who score over 148 are entitled to join Mensa. This ......13 at 2% of the population. Anyone from the age of six can take the tests. All the questions are straightforward and most people can answer them if .......14 enough time. But that’s the problem - the whole .......15 of the tests is that they’re against the clock. 1. a. fetched b. gained c. attached d. caught 2. a. case b. fact c. circumstance d. truth 3. a. natural b. bright c. sharp d. common 4. a. on b. to c. in d. at 5. a. accord b. react c. answer d. alter 6. a. advanced b. forward c. ahead d. upper 7. a. at this age b. for the present c. at the time d. now and then 8. a. how b. that c. as d. so 9. a. appointed b. commanded c. run d. steered 10. a. held b. had c. kept d. belonged 11. a. largely b. enormously c. highly d. considerably 12. a. concern b. relation c. regard d. association 13. a. adds up b. turns to c. comes up d. works out 14. a. allowed b. spared c. let d. provided 15. a. reason b. point c. matter d. questio