ou enjoy yourself last weekend, Tom—Yes, as you know, ______ birthday party went on in_____ most pleasant atmosphere

I lost sight of Wang Ping when we reached _________looked like a large market

If you want to speak English well, it’s ___for you to practice as often as you can.

____ is good _______ your health.

A Wechat(微信) is an invention ______ can help people talk to friends , share photos, ideas and feelings freely.