（2015.湖北宜昌）——There are a lot of _________ of bike riding. ——I agree. It's good for the environment and it saves money.

题型：单选题题类：真题难易度：普通

——There are a lot of _________ of bike riding. ——I agree. It's good for the environment and it saves money.

A、instructions B、instruments C、advantages D、products

举一反三

—Yes. With a ________ of about 55 kilometres, the bridge makes the travelling time between Hong Kong and Zhuhai much shorter than before.

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