从A、B、C、D四个选项中选出一个可以填入句中空白处的最佳答案。
1. __________ earthquake happened in Ya’an Sichuan, on the morning of April 20.
A. An B. A C. The D. /
2.Some organizations have been__________ to help the poor students in the western areas of China.
A. given up B. set up C. picked up D. put up
3.—What are you going to do this weekend, Sue?
—I will _________ it in a farmhouse. I want to enjoy farm fresh food and air.
A. pay B. cost C. spend D. take
4.—Every day, my mother tries to spare some time to chat with me, she is very tired after a whole day’s hard work.
—You are lucky to have such a great mum!
A. unless B. whether C. although D. until