单项选择题
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
It （）so cloudy and humid, you ought to carry an umbrell...
单项选择题It （）so cloudy and humid, you ought to carry an umbrella with you
A. being B. to be C. as being D. having been
