1. Would you mind _ quiet for a moment? Im trying _ of form.A) keeping,to fill out B) keeping,filling outC) keep,to fill out D) to keep,to fill out2. Mercury is different from other industrial metals _ it is a liquid.A) because of B) whereas C) in that D) though3. He made a hypothesis _ the great storms on the sun create large amounts of electric energy.A) why B) whichC) when D) that4. He had the _ over other boys of having had very good preschool education.A
