一、单项选择（共 15 小题，每小题 1 分，计 15 分）
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、---What do you think of ______ Huang Bo?
---He is such _______ great actor that I like his films very much .
A. a ; an B. / ; the C. / ; a D. the ; a
2、---It’s said that scientists are working hard to ________ a way to deal with H7N9 avian influenza(H7N9禽流感)
---Really? That’s great!
A. caught up with B. come up with C. agreed with D. compared with
