| 完形填空。 | |||
| In many big cities, there are usually more than one underground line (地铁线). The fastest way 1 in a city is by subway. How to travel by subway? Do you know? Here is some information 2 before you travel by subway. First, you should 3 the right line. If you don't, you will have to 4 and take another one. Second, you need some coins 5 your ticket, because 6 the machines which sell tickets only accept coins. Coins can be changed next to the ticket machines. Or you can go to the ticket office 7 some. 8 you have a prepaid card, you can just go ahead. After you have bought the 9 , you should wait for your subway outside the yellow line. You 10 walk too close to the yellow line. It's dangerous. | |||
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B. to travel B. to find B. draw B. go down B. to B. some of B. to get B. If B. train B. needn't |
C. traveled C. to see C. discuss C. get off C. for C. one of C. to borrow C. What C. everything C. must not |
D. / D. to take D. choose D. get on D. in D. a bit of D. to change D. Why D. ticket D. must |