The answers:

1. I rarely go out because everything is so expensive

2. She gave him a pair of shoes on his last birthday

3. My little brother is not good at chess but he is very interested in it.

4. They always talk with other people in a friendly way at any time.

5. Thanks to Jacques Cousteau’s invention, we can learn more about the undersea world.

cho mik ctlhn nhé!!!

1. too/I/everything/out/because/rarely/is/go/expensive.

    I rarely go out because everything is so expensive

2. a/She/of/on/him/gave/birthday/pair/his/last/shoes.

    She gave him a pair of shoes on his last birthday

3. it/not/chess/My/very/interested/good/is/in/is/but/brother/he/little/at.
     My little brother is not good at chess but he is very interested in it.

4. any/in/They/friendly/always/at/talk/other/a/with/people/way/time.
     They always talk with other people in a friendly way at any time.

5. learn/the/Thanks/,we/more/can/to/invention/undersea/about/Jacques Cousteau’s/world.
     Thanks to Jacques Cousteau’s invention, we can learn more about the undersea world.