I will be in the library this afternoon to borrow some books.（我今天下午会在图书馆借一些书。）

They should be in the meeting room for the important discussion.（他们应该在会议室进行重要的讨论。）

My keys might be in my bag, but I'm not sure.（我的钥匙可能在我的包里，但我不确定。）

We will be in Paris next month for our honeymoon.（我们下个月将在巴黎度蜜月。）

The children are going to be in the park playing football all afternoon.（孩子们整个下午都会在公园里踢足球。）

She used to be in the school choir when she was a student.（她学生时代曾参加学校合唱团。）

He will be in charge of this project from now on.（从现在起他将负责这个项目。）

The documents need to be in the boss's office before noon.（这些文件需要在中午前送到老板办公室。）

You'd better be in bed early if you want to get up early tomorrow.（如果你明天想早起，最好早点上床睡觉。）

The new store will be in business next week.（这家新店将于下周开业。）

They will be in trouble if they don't solve this problem quickly.（如果他们不尽快解决这个问题，就会陷入麻烦。）

I hope to be in good health so that I can enjoy life.（我希望身体健康，这样就能享受生活。）

The painting will be in the exhibition hall for two weeks.（这幅画将在展厅展出两周。）

We should be in harmony with nature to protect our environment.（我们应该与自然和谐相处以保护环境。）

He seems to be in a bad mood today. Maybe something went wrong.（他今天似乎心情不好。

也许出了什么事。）

The students will be in the laboratory doing experiments tomorrow morning.（学生们明天上午将在实验室做实验。）

She wants to be in fashion and always follows the latest trends.（她想紧跟时尚潮流，总是追随时尚。）

They will be in agreement on this plan after some discussions.（经过一些讨论，他们将在这个计划上达成一致。）

The toys should be in the box after the kids finish playing.（孩子们玩完后，玩具应该放进盒子里。）

I will be in touch with you as soon as I have any news.（我一有消息就会和你联系。

）