There are floors in my house and my bedroom is on the______floor.

Its population is almost ________ of the world’s population.

______, but the idea of having to work more than ten hours a day without weekends discouraged me.

I like English best. What about _______?–He thinks science is very interesting. His favorite subject is science.

We held a party for my grandpa’s birthday last night.—You must have had good time.