Unit 1—Unit 3 语法（专项训练）-2025-2026学年外研版（三起）英语三年级下册
2025-2026学年外研版（三起）英语三年级下册Unit 1—Unit 3 语法专项训练
班级 ________ 姓名 ________ 分数 ________ 满分：100分
请将正确答案的序号填在题前括号内。
( ) 1. This is ______ bird. It’s a small bird.
A. a B. an C. two
( ) 2. —Where ______ the cat? —It’s under the chair.
A. am B. is C. are
( ) 3. Look at the ______. They are black.
A. bag B. bags C. bages
( ) 4. —What’s this? —______ a dog.
A. It’s B. This C. That
( ) 5. The pen is ______ the book. It’s on the book.
A. under B. on C. in
( ) 6. These ______ my toy cars.
A. is B. am C. are
( ) 7. —Who is that girl? —______ is my sister.
A. He B. She C. It
( ) 8. I ______ a pupil. I like English.
A. am B. is C. are
( ) 9. There are three ______ on the desk.
A. pencil B. pencils C. penciles
( ) 10. —Where are the balls? —______ are in the box.
A. It B. They C. We
( ) 11. That is ______ orange. It’s sweet.
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A. a B. an C. /
( ) 12. The dog is ______ the door. You can’t see it.
A. behind B. on C. in
( ) 13. —Are these your books? —______, they are.
A. Yes B. No C. Not
( ) 14. He ______ my good friend, Tom.
A. am B. is C. are
( ) 15. ______! The bird is in the tree.
A. Look B. Look at C. See
请按照语法规则，将括号内单词变换正确形式填空，每空一词。
1. These are two ________ (desk).
2. She ________ (be) a nice girl.
3. Look at those ________ (cap).
4. The balls ________ (be) under the bed.
5. I have five ________ (bag).
6. That ________ (be) a cute panda.
7. These are my ________ (pen).
8. He ________ (like) cats.
9. Where ________ (be) your rulers?
10. It is ________ (a) apple.
三、用合适的介词填空（in, on, under, behind）（每空2分，共16分）
从给定介词中选择正确单词填空，每个介词可重复使用。
1. The book is ________ the desk.
2. The cat is ________ the box. You can’t see it.
3. My pencil is ________ my pencil-box.
4. The ball is ________ the chair. It is on the floor.
5. The picture is ________ the wall.
6. The boy is ________ the door.
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