语法选择
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，从1-15各题所给的A、B、C、D项中选出最佳选项。
In a far-away place, there was a village. The village was___1___ in potatoes than anywhere else in the country. At the end of every growing season, ___2____potatoes were dug out of the ground, and readied for market. In each home, men and women would_____3_____divide the potatoes into three groups, large, medium and small.
One year, there was a young man___4_____received his share of the potatoes. As the other villagers_____5_____, he 
walked around the village laughing and talking._____6____villagers thought he was lazy, and they worried that this man would never get______7_____potatoes ready in time. When it was time for the villagers____8______to market, they were greatly surprised to find that 
the man’s potatoes____9____perfectly into three groups.
After _____10____the man how he did it, they understood he was not lazy, ____11____very clever. He had put all his potatoes in a cart and pulled it along the village’s rough dirt road. As the cart moved up and down over the road, the potatoes moved_____12____. The small potatoes moved to the bottom, the larger potatoes rose to the top and the medium potatoes rested___13___ the middle.
Life___14____like this too. The rough roads we travel along can also___15____us.
1. A. rich B. richer C. richest D. more rich
2. A. thousand with B. thousands with C. thousand of D. thousands of
3. A. busily B. busy C. more busily D. busier
4. A. who B. which C. what D. whose
5. A. work B. was working C. were working D. works
6. A. A B. An C. The D. /
7. A. he B. him C. himself D. his
8. A. go B. going C. to go D. went
9. A. are divided B. were divided C. are dividing D. divided
10. A. asking B. asked C. ask D. asks
11. A. so B. and C. or D. but
12. A. too B. also C. either D. neither
13. A. on B. in C. with 
D. by
14. A. has B. are C. were D. is
15. A. to help B. help C. helps D. helped
