4. they went ... the disco last night. at, in, on,

4. they went ... the disco last night.
at, in, on, to

5. how ... tables and chairs are there in the middle of the room?
much, many, what, where.

6. is it ... to go there by car of train?
the cheapest, more cheaper, cheaper, cheap.

7. it is very ... to do this test.
easy, easiest, easier, easily

8. he is as ... as his brother.
more strong, strong, stronger, strongest

9. I live in this house. There is a bus stop in front of ...
he, him, it, its

10. he is free .... Mondays.
in, at, on, by