以詞語(yǔ)是適當(dāng)形式填空
1A cow grass but gives milk.
2It is late at night .Dad still at the desk.
3 on a minute ,please I for a piece of paper now.
1A cow ______ grass but gives milk.
2It is late at night .Dad _____still _____ at the desk.
3 ______ on a minute ,please I ______ for a piece of paper now.