February is the (two/second) month of a year.
Tom has been to the US before.(改为否定句)
Tom to the US before.
The sunshine is really beautiful.(改为感叹句)
the sunshine is!
Emma helped the old lady with her housework once a week last year.(对画线部分提问)
did Emma help the old lady with her housework?
You ( grow) since the last time I saw you.
We all need a (health) environment.