It’s time for lunch, Mum! I am hungry.—_____________________.

Wang Wei is one of many Chinese students _______ “on the go”.

Why do English people talk so often about the weather when they start a conversation— Because the weather is a __________ subject.

constantly exposed to advertisements isannoying, but it ______ be pleasant sometimes

下列各句中，没有语病的一句是（ ）