I think ______ necessary ______ to take more exercise.
“Simon wants to know if the Class 3 students___ hiking tomorrow.” “Yes, but if it _____ , they’ll visit the museum instead.”
I can’t decide _____ .
“Do you mind if I sit here?”“_____ .It’s for Mr. Brown.”
When you feel _____ to watch TV by then, you are all right.
Hobo has lots to eat and drink.“lots” is ______.