单项选择题
A provisional agreement is one（）
A. that could benefit both of us. B. that you have finalized the delivery dates. C. that is made with certain conditions. D. then he could get a large discount.
单项选择题 The two parts reached no solution on the final item（）
单项选择题 The researcher has to start looking for a company（）
单项选择题 I just received a proposal（）
单项选择题 We use our tongue to（）.
单项选择题 She said that she wouldn't mind（）the typing work for you.
