He is very angry with his mother, because his mother always__________him with the best student.

Mr. Huang will ________ in the movement.[ ]

Before Julie left, Mrs. Griffin said,”You’d better take an umbrella with you. Look at the dark clouds in the sky. It rain.”

下列各句中，标点符号使用正确的一项是（ ）

No one knows exactly when ourancestors started talking, but new evidence suggests that____ might havehappened a long time ago.