题目: 甲说:绷起的路面碎石造成减振器的轻微凹坑不影响其正常使用,无需更换;乙说:在更换汽车减震器时,应左右两侧成对更换。以下()选项是正确的。A.只有甲正确B.只有乙正确C.甲乙都正确D.甲乙都不正确 答案: 参考答案:B
题型:选择题 Tom was busying doing his homework;______,his father was watching TV.[ ]A. therefore B. but C. however D. meanwhile 查看答案