Tom想单独去游泳,你可以这样劝告他:
alone, Tom.
Tiangong Ⅰ, China's first space lab, (come back) to the earth after finishing its job on April 2this year.
I couldn't help laughing loudly when I heard such a (humorous) story.
To sing an English song (正确地), I listen to the CD again and again, and check every word in the dictionary.
During the next few days, I have decided to have a good rest by taking a walk or seeing a film. I really need to (放松).
Tom, take out the rubbish. Mum will be (发疯) if she sees this mess.