1) We have seel that movies ten times.
2) I have never been in Ha Long Bay.
3) You have ever eat a French food.
4) Robot won take care our children in the future.
5) Although we try best, we didn't win the game last night.
6) Ann might not come party tonight because she was busy.
7) What will he do if he want save electricity at home?
8) The air won't be so polluted if people plant more trees.
9) What will you do if you not pass this exam?
10) If the river not dirty there are fishs.