Question

Please select the answer that correctly fills the gap.

You shouldn't open the window _____ you have to.


for

why

unless

either

Answer 1

Answer:

You shouldn't open the window ___unless__ you have to.

Answer 2

Answer:

unless

Explanation:

The sentence conveys the meaning that unless it is necessary to open the window, don't open it.

none of the other options convey an appropriate meaningto the sentence.

I hope this will help you :).