He will return the book three days or four.[ ]
“Simon wants to know if the Class 3 students___ hiking tomorrow.”“Yes, but if it _____ , they’ll visit the museum instead.”
Sanrio Puroland is ___ big that you need a ____ day to visit it.
What do you think of this book?— Good indeed. It ________ many problems we have in our study.
I’m______tired______walkon.Let’shavearest.[ ]