Could you tell me how to improve spoken English —Well, just take every chance to practise ______and don’t be shy.

Miss Sullivan clarified the science Project in Simple but vivid language so as to make it easier for teenagers ________.

________ he found the idea interesting, it was too difficult to be of practical use

下列各句中，句式特点与其他三项不同的一项是（）

You’d better here the heavy rain.—Yes, That’s the traffic rule.