—You look sad, Kate.  —Yeah, I have made __________mistakes in my report.

Simon doesn’t like peanuts, and he eats very _________ of them.

They are good friends.      is no wonder that they know each other so well.

—Who helped Mark with his English?—_________, he taught himself.

To save class time,our teacher has_______students do half of the exercise in class and complete the other half for our homework.