【題目】Why is e-shopping getting more popular? Because it________save a lot of time if it is properly used.

A. can B. must C. should D. need

【答案】A

【解析】句意:為什么在線購物變得更受歡迎了?因為如果恰當(dāng)?shù)厥褂茫梢怨?jié)省時間。A. can 能夠,可以; 表示主語所具備的能力,也可以表示許可及推測;B. must必須;強調(diào)主觀上的愿望;C. should 應(yīng)該,表示責(zé)任與義務(wù); D. need需要,必須。使用得當(dāng),在線購物可以節(jié)約時間,故選A。

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