4.Bicycle-sharing companieshave put(put)more than 200,000 yellow and orange bicycles into service in Beijing in the past six months.

分析 在過去的六個月,共享單車公司在北京已經(jīng)投放了20多萬輛橘黃色的單車.

解答 答案:have put
根據(jù)句子里的時間狀語 in the past six months,意思是在過去的六個月里,確定句子的時態(tài)為現(xiàn)在完成時;再接合句子的主語為Bicycle-sharing companies,所以答案為have put.

點評 本題考查用所給單詞的適當(dāng)形式填空.首先要根據(jù)語境明確句意,然后再根據(jù)相關(guān)語法對所給單詞在形式上做出正確的變動.

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