A:4
B:3
C:6
D:7
下面四个几何体中,左视图是四边形的几何体共有( )
给下面句子排序。(用数字表示)
①It's a knife.
②What's this in English?
③Excuse me, Wang Bing.
④Thank you.
____
——I can hardly believe my eyes. Is that you, Lucy?——Yes. It has been almost 20 years______ we were together.