补全对话 B:We're going to _ apples B:We're going to _ apples A:Good.I'd like to do that B;Look,the students are _ there.They're _ apples. A;Let's help _ B;_ right
B:We're going to 【pick】 apples A:Good.I'd like to do that B;Look,the students are 【over】 there.They're 【picking】apples. A;Let's help 【them】 B;【All】right