6. Are there twenty classrooms and six hundred students in your school?
→ Does your school ..........................................................................................................?
7. Our sources of energy will soon end if we don’t try to save them.
→ Unless…………………………………...........………………………………………….
8.Couldn’t you find a better restaurant ?
→ Is this ……………………………………………………………………………………?
9.I haven’t eaten sushi before.
→ This is …………………………………………………………………………………...
10.The tea is so hot that I can’t drink it.
→The tea is too ...............................................................................................................