【题目】He claimed to be American, but his accent ____.

【题目】Thanks to the Internet, different kinds of information in a short time.

【题目】The air pollution is so terrible. It will be worse ____ we do something to protect the environment.

【题目】His casual clothes were not ______ for such a formal occasion.

【题目】I still remember my first teacher we haven’t seen each other for many years

【题目】 talking with him, you’ll find him an easy-going man.

【题目】---I don’t know when _____ tomorrow.

【题目】He is always full of __________ as though he has neverknown tiredness.

【题目】We hadn’t planned to meet. We met ______ chance.

【题目】No one ____ be more warm-hearted; he has a heart of gold.