Question

supply for, since,at,in,on,by where required in the following : 1.they have lived in Delhi _____ six months 2. ________ summer we will have our vacations 3. I have been waiting for you _____ eight o' clock​

Answer 1

Answer:

1.By.

2.In.

3.since.

Explanation:

I tried maybe there could be falt in these.