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　　用所給動(dòng)詞的適當(dāng)形式填空：

　　My sisters are twins. They ________ (study) in the same class.

　　用所給動(dòng)詞的適當(dāng)形式填空：

　　They usually ________ (leave) home at about five to seven.

　　用所給動(dòng)詞的適當(dāng)形式填空：

　　What ________ you ________ (do) ? I am a farmer.

　　用所給動(dòng)詞的適當(dāng)形式填空：

　　Betty and her classmates like ________ (sing) and ________ (dance) very much.

　　用所給動(dòng)詞的適當(dāng)形式填空：

　　Ah! It's ten now. I must ________ (go) to bed.

　　用所給動(dòng)詞的適當(dāng)形式填空：

　　I want ________ (take) some books to the classroom.

　　用所給動(dòng)詞的適當(dāng)形式填空：

　　There ________ (not be) any water or bread.

　　用所給動(dòng)詞的適當(dāng)形式填空：

　　Look! The cat ________ (run) up the tree!

　　用所給動(dòng)詞的適當(dāng)形式填空：

　　Tom and his friends ________ (go) to school five days a week.