课后作业I.选词填空inquantity;byaccident;makeabreakthrough;beconvertedto;asaresult(of)1.Themotherhurtherfingerwhencuttingvegetables.2.Fishesofmanykindsinthisriverarefastdisappearingtheheavypoll
课后作业
I.选词填空
in quantity;by accident;make a breakthrough;be converted to;as a result (of)
1. The mother hurt her finger ____ when cutting vegetables.
2. Fishes of many kinds in this river are fast disappearing ____ the heavy pollution.
3. It's cheap if you buy goods____ .
4. Doctors ____ on this subject so far.
5. In some condition coal can____ gas.
课后作业
I . 1. by accident 2. as a result of 3. in quantity 4. have made a breakthrough
5. be converted to
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