从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题纸上将该选项标号涂黑。
1. ______ 6 world powers have accepted ______ Iranian offer for talks on its disputed nuclear program. “原创”
A. The; a B. 不填; an C. The; an D. 不填; an
2. A woman marries a man expecting him to change, but he doesn’t. A man marries a woman expecting her not to change, but she ______ . “原创”
A. does B. will C. has D. is
3. To his relief, the company’s exports have been increasing ______ . “原创”
A. suddenly B. steadily C. automatically D. really
4. At least 14 youths have been killed in the capital Baghdad in the past 3 weeks in ______ appears to be a campaign by Shia militants. “原创”
