You ______ pay too little attention to your reading skills, as they are so important.

Listen! Tom is singing in the next room.–It _______ be Tom. He has gone to Shanghai.

____ in a branch of the tree ___ a note which read"I’ll meet you at the School Gate"

We must ______ the time that you’ve wasted this afternoon by working late tonight.

下列各句中，没有语病的一句是（ ）