【題目】I choose to shop __________ because it saves time and effort.

A. on the air B. on the Internet

C. on TV D. in magazines

【答案】B

【解析】句意:我選擇網(wǎng)上購物，因?yàn)榭梢怨?jié)省時(shí)間和精力。on the air在廣播中，直播地；on TV通過電視收看節(jié)目；on the Internet在網(wǎng)絡(luò)上；in magazines在雜志里。依據(jù)句意理解，選項(xiàng)B符合題意。

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