1.have been planted
1）樹(shù)是被種植,應(yīng)該用被動(dòng)
2）these years ,這些年是延續(xù)的時(shí)間,用現(xiàn)在完成時(shí)
Many trees ___(plant) in our school yard these years.1.have been planted 2.are planted
Many trees ___(plant) in our school yard these years.1.have been planted 2.are planted
選哪個(gè)?為什么?
選哪個(gè)?為什么?
其他人氣：415 ℃時(shí)間：2019-12-09 10:31:59
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