• C. a little
• D. to visit
• D. A and B (You had better / You should)
• B. What
• A. You're welcome
• C. will
• B. bored/boring
• A. however
• A. riding
• D. among

Your answers are:

1. C
2. D
3. D
4. B
5. A
6. C
7. B
8. A
9. A
10. D

Here are the correct answers for the given sentences:

1. C. a little
   (There is a little meat in the box. "A little" is used with uncountable nouns like "meat".)

2. D. to visit
   (Does she want to visit her grandparents at weekends? The verb "want" is followed by "to + infinitive".)

3. D. A and B
   (You had better/should stay at home when you are sick. Both options are correct in this context.)

4. B. What
   (What a nice T-shirt, Trang! "What" is used in exclamations like this.)

5. A. You're welcome
   (Thank a lot for the lovely dinner - You're welcome is the most polite and standard response.)

6. C. will
   (If we continue to burn fossil fuels, we will face a serious shortage of energy. This is a first conditional sentence, indicating future certainty.)

7. B. bored/boring
   (I am bored because the film is boring. The person feels bored due to something that is boring.)

8. A. however
   (She felt tired; however, she had to finish her homework. "However" shows contrast.)

9. A. riding
   (Some people are used to riding in crowded buses. The phrase "used to" is followed by a gerund.)

10. D. among
    (I divided the sweets among several boys. "Among" is used for more than two people or things.)