1. `=>`We always come to class on time.

2. `=>`How many hours a week does he often work?

3.`=>`American students do not usually wear school uniforms.

4. `=>`Nam has a Science class at 10:00 on Wednesday.

5. `=>`I like Math because it is interesting.

6. `=>` What subject does Tom like best?

7. `=>`We want to work with you.

8. `=>`How do you know he likes meat?

9. `=>`Excuse me! Is there an office near here?

10.`=>` Is that the letter you want to post, Mai?

11. `=>`Mai is interested in doing experiments.

12. `=>`Please tell him I'll call again after five.

13.  `=>`Huong will be twelve on Saturday, November 20th.

@1412

1. We always come to class on time.

2. How many hours a week does he often work?

3. American students do not usually wear school uniforms.

4. Nam has Science class at 10:00 on Wednesday.

5. I like Math because it is interesting.

6. What subject does Tom like best?

7. We want to work with you.

8. How do you know he likes meat?

9. Excuse me! Is there an office near here?

10. Is that the letter you want to post, Mai?

11. Mai is interested in doing experiments.

12. Please tell him I'll call again after 5.

13. Huong will be twelve on Saturday, November 20th.