在准备考试的过程中，掌握正确的答案和解题思路非常重要。我们为大家整理了详细的答案解析，帮助你查漏补缺，巩固知识。
一、选择题（每小题2分，共20分）
1. — What's this? — _______ is a cat.
A. This B. That C. It D. They
2. — Can you swim? — No, I can't. _______ swim.
A. He B. She C. We D. They
3. — Where is the book? — It's _______ the desk.
A. on B. in C. at D. under
4. — Do you like apples? — Yes, I _______.
A. do B. don't C. am D. are
5. — What time is it? — It's _______ half past seven.
A. on B. at C. in D. by
二、填空题（每空1分，共10分）
6. My brother _______ (like) playing football.
likes
7. They are _______ (go) to the park now.
going
8. I have two _______ (pen).
pens
9. Let's _______ (play) basketball after school.
play
10. The cat is _______ (sleep) now.
sleeping
三、阅读理解（共10分）
阅读下面短文，选择正确答案。
Tom is a student. He has a dog named Bob. Every morning, he takes Bob for a walk. Bob likes to run and play. Tom loves his dog very much.
11. What is Bob?
A. A cat B. A bird C. A dog D. A fish
12. What does Tom do every morning?
A. Reads books B. Takes a walk C. Plays football D. Goes to school