21. Professor Wilson is an excellent lecturers. He teaches Chemistry.
à……………………………………………………………………
22. The man is a famous actor. You met him at the party last night.
à……………………………………………………………………
23. There are some words. They are difficult to translate.
à……………………………………………………………………
24. The student writes well. I read her composition.
49.The woman lives next door to me. You gave place to her on the bus.
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50.These children are orphans. She is taking care of these children.
