新目标英语九年级Unit8 Section B 课件
用must或can的适当形式填空。
The boy who is playing football on the playground _____ be Harry. He doesn’t come to school today.
2. There ________ be someone in the classroom because the light is on.
3. Many people go to Sanya to travel. It ____ be a beautiful place.
4. You _____________ talk with each other during the exam, or you will be asked to leave.
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