had never occurred to him that he might be falling in lovewith the new school.

When you go to London, you will see the_________.

n D gets produced when animals are exposed to direct sunlight, for＿reason, itis always advisable to give them chances to spend time in the sun.

TV-Turnoff Week, _______ millions of people around the world participate every year, tries toencourage people to turn on life[ ]

I have only ________ of money. I can’t buy that expensive iPhone 6 Plus.