给下面词组中的“衔”选择正确的字义
A.用嘴含 B.存在心里 C.等级或称号 D.连接
衔冤____ 军衔____ 衔接____ 头衔____
若﹣3xm﹣3ny8与28y5m+n的和仍是单项式，则有（ ）
_______ that the scientist will give us a talk next month?
① Here's a card for you. ____ A. I love you, too.
② What do you like? ____ B. Thank you.
③ I love you. ____ C. I like toy bears.
④ Don't throw stones. ____ D. I have some bread and juice.
⑤ What do you have for breakfast?____ E. Yes, Mr. Li.
