Question

【题目】The river runs quickly and Frank is ________ to walk it on the ropeway．

A. afraid B. free C. easy D. interesting

Answer 1

【答案】A

【解析】这条河水流很急，弗兰克害怕而不敢通过索道行走。afraid害怕的；free自由的，免费的；easy简单的，容易的；interesting有趣的。be afraid to do sth害怕去做某事。结合句意，故选A。