题目内容
12．Not long ago，the workers were busy __________ a large number of dead pigs from the Huangpu River．（ ）| A． | collect | B． | collecting | C． | to collect | D． | collected |
分析 不久前，工人们忙着从黄浦江打捞大量死猪．
解答 答案：B．根据the workers were busy __________ a large number of dead pigs from the Huangpu River，可知本句考查了短语be busy doing忙于做某事，后面跟的是动词ing形式．故选B．
点评 本题考查了非谓语动词的用法．解答时注意：短语be busy doing忙于做某事，后面跟的是动词ing形式．
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