The zoo keepers is worried because the number of visitors __ smallerand smaller.

Claude didn’t do much homework, ________ he still passed the exam.

his age, the little boy didvery well to score two goals in the game.

On April 1, Jim tried to play a trick ______ his teacher but the teacher wasn’t taken _____

Why do you suggest we buy a newmachine— Because the old one has been damaged___________．