Bruce, I am still not sure ________.— Why not No one is better than you in our class.

What number should appear next after eighty-one—It’s ___________.3, 9, 27, 81,

I know one of the things _____I was unsure about was _____ hard it would be to climb this mountain.

When I was at school, I _____ up very late, reading storybooks

I can ______ some noise while I’m studying, but I can’t stand very loud noise.