The hardworking boy often studies_____4hours every day.A in BforConDat

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The hardworking boy often studies_____4hours every day.A in BforConDat

The hardworking boy often studies_____4hours every day.A in BforConDat
The hardworking boy often studies_____4hours every day.A in BforConDat

The hardworking boy often studies_____4hours every day.A in BforConDat
选B,for.
句子意思:这个勤奋的男孩每天经常持续学习4小时.
for在这里表示【时间的延续或持续】.
选项辨析:
A in 在、、、、、、之内
Bfor 对于;持续
Con 在某方面;关于;在、、、、、、之上
Dat 在某钟点;在某处
祝你开心如意!