单项选择题
A. Though B. Once C. Since D. And
（）a personal question, Nancy got embarrassed A. Asked ...
单项选择题（）a personal question, Nancy got embarrassed
A. Asked B. Asking C. She asked D. Not asking
（）his advice, I couldn't have completed the project s...
单项选择题（）his advice, I couldn't have completed the project successfully
A. As if B. Should C. But for D. Had
（）health insurance, it will be much too expensive to ha...
单项选择题（）health insurance, it will be much too expensive to have the surgery
A. Unless B. Without<b C. As if D. Had it not been for
