题目

－7－(+10)－(－17)+(－27)+|－55| 答案：－7－(+10)－(－17)+(－27)+|－55| =－7－10+17－27+55 =28Not only I but also Jane and Mary _____ tired of having one examination after another. [     ]A. is 　 B. are 　C. am 　 D. would be