I’m going to take a trip by :我打算乘……去旅行
我打算乘( 火车，飞机，公共汽车）去旅行
I’m going to take a trip by train.
I’m going to take a trip by plane.
I’m going to take a trip by bus.
I’ll …Wuxi this summer. 今年夏天我将去无锡…
I’ll …Wuxi this summer.
I’ll …Wuxi this summer.
When shall we ……? 我们什么时候……？
我们什么时候交作业（开会，去长城）？
When shall we hand in our homework ？
When shall we begin our meeting ？
When shall we go to the Great Wall ？