完形填空。 If you have a chance 1 in Europe, you'd better choose Italy as a good place to visit.Because Italy is a very famous country 2 a long history, and there are many interestingcities in this country. There are three _   3 people each year who visit the city of Pisa. It’s known 4 the Leaning Tower of Pisa. The tower looks as if it might fall at any time. 5 some visitors stop at the tower just 6 __ to take a photo, then they 7 away. The tower has 294 steps.  Visitors 8 canclimb to the top and come down will feel like heroes.Engineers say that the visitors are safe, 9 the tower does lean. This tower has beenleaning for about eight hundred years. And it leans a tiny bit 10  _ every year. If this keepson, the tower will fall at last.  But many engineers are trying their best to keep the towerstanding as long as possible. (     )1. A. travel (     )2. A. with (     )3. A. millions of (     )4. A. as (     )5. A. In time (     )6. A. long enough (     )7. A. give (     )8. A. that (     )9. A. though (     )10. A. little B. travels B. in B. millions B. for B. In all B. enough long B. send B. which B. but B. more C. travelling C. of C. million of C. of C. In fact C. short enough C. hurry C. who C. and C. less D. to travel D. for D. million D. with D. In the end D. enough short D. put D. where D. so D. few