Question No. 1. He behaves __ _________ he rules the world.

Answer: as , if

He behaves as if he rules the world.

Question No. 2. We started moving _____ he took his foot off the brake.

Answer: after

We started moving after he took his foot off the brake.

Question No. 3. I am going to go _____ __ my parents say I can’t.

Answer: even , if

I am going to go even if my parents say I can’t.
 

Question No. 4. I waited ________ my mom paid for the groceries.

Answer: until

I waited until my mom paid for the groceries.

Question No. 5.  I ran _____________ I was scared.

Answer: because

I ran because I was scared.