问题描述：
单选.1.English is ___ useful language.We must learn it well.A.a B.an C.the D.不填
2.You can follow these steps ___ a printed T-shirt.
A.make B.to make C.making D.made
2.You can follow these steps ___ a printed T-shirt.
A.make B.to make C.making D.made
问题解答：
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