The world’s population is getting larger and larger, so scientists will have to ______ new ways to solve food problem.
—Whose textbook is this, Tony? —Look! Ann's name is on it! It be hers.
Mr. Martin tried to speak so that we could understand him.
—Are you taller than your cousin, Mike? —No, I am as as him.
—You look today. —Yes. I stayed up late last night to watch a talk show.
— Sorry, I can’t follow you. Could you please your e-mail address? — OK. It’s andy19840313@126.com.