______ is necessary _______ us________learn English well.

Today, more Chinese people speak English and China may have the _____ number of English speakers in the world.[ ]

Researchers claim to have found the first proof _______ getting a regular eight hours a night really does make you appear healthier and more attractive

“You ________ have a wrong number.”she said. “There’s no one of that name here.”[ ]

Lily， help me put up the picture on the wall，