单项选择题
A.我想你是在和我开玩笑吧。 B.我想你是在拉我的腿。 C.我想你是在拖我的腿。 D.我想你是在拖我后腿。
A. to help B. help C. helping D. be helpful to
A. Born and bred B. Have been born and bred C. Bearing and breeding D. To bear and breed