—Hey, Jack. Waste paper mustn’t ________ here.—Sorry, I won’t do that again.
--Don’t forget to come tomorrow. --- OK, _______.
Please call me ______ 0512-5123 4567 or email me ______ lily@changshu.com.
I often hear her ______ popular songs in her room.
As someone ______ the curtain, the famous singer came out. The fans ______ and screamed with excitement.
_____ of giant pandas is getting ______ because their living areas are becoming farmlands.