问题
rove the quality of our products, weask ____ has used them for suggestions
A:/; a
B:the;/
C:the; a
D:/;/
B:the;/
C:the; a
D:/;/
正确答案是：
同类题型
What about your English test?—I ____ the written papers but failed the oral test.
He has never been to America ___________
Sorry, I am too busy now. If I ________ time, I would certainly go for an outing with you. [ ]
with the information you have gathered, you can ________ preparing your business plan.