第一节：单项选择(共15小题，每小题1分，满分15分)从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
1. Although it seemed to be _______ painful experience, he still found it ________fun.
A. a, / B. /, a C. a, the D. a, a
2. The scientist said, “I’m ______ for my family’s help, which made me realize my dream.
A. ignored B. stubborn C. grateful D. upset
3. Mrs. Noland, who was born in a poor family, ______ a lot of suffering when she was still a child.
A. went through B. played a part in C. got along with D. set down
4. Unfortunately when I arrived she ________, so we only had time for a few words.
A. just left B. has just left C. was just leaving D. had just left
