句型轉(zhuǎn)換

1. The hungry boy ate up all the food on the plate. (變?yōu)楸粍?dòng)語態(tài)）

All the food on the plate 1._________2.__________ up by the hungry boy.

2. Mary bought a new car two weeks ago. (用完成時(shí)態(tài)改寫）

Mary 3._________4.________ a new car for two weeks.

3. Work hard, or you will fall behind your classmates. (改成條件狀語從句)

5.________ you work hard, you will fall behind your classmates.

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