单项选择题
A. 你一定希望能买到最经济及最有价值的东西。 B. 你肯定对经济实惠又赚钱的买卖感兴趣。 C. 你肯定对价廉物美的商品感兴趣。 D. 你一定希望做一本万利的买卖。
This dictionary will prove（）to you in your English stud...
单项选择题This dictionary will prove（）to you in your English study.
A. being of some use B. be of some use C. to be of some use D. of some use
The manager hoped to be（）of how our business was going ...
单项选择题The manager hoped to be（）of how our business was going on.
A. informed B. required C. warned D. suggested
No matter how frequently（）, the works of Beethoven alwa...
单项选择题No matter how frequently（）, the works of Beethoven always attract large audiences.
A. performing B. performed C. to be performed D. being performed
