【題目】Nowadays, it is very convenient_______ us to pay for the bill with WeChat, so we _______carry a large amount of cash (現(xiàn)金)every day any more.

A.of; shouldn'tB.for; needn'tC.to; mustn't

【答案】B

【解析】

句意：現(xiàn)在，對(duì)我們來(lái)說(shuō)，微信付款是很方便的，因此我們不必每天再帶大量現(xiàn)金。

考查固定句型和情態(tài)動(dòng)詞。A. of; shouldn't ……的；不應(yīng)；B. for; needn't對(duì)于；不必；C. to; mustn't對(duì)著；禁止。句型“對(duì)某人來(lái)說(shuō)干某事怎么樣”it is+adj.+for sb to do sth，所以空一的介詞應(yīng)是for；空二表示“不必”，應(yīng)為needn’t，故選B。

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