1. I’m not sure, but I think maybe perhaps possibly

2. Do you think it will rain today? __________. It is very cloudy.

3. Why is Lily absent today? ________ she is sick.

4. How many people are there in Hong Kong? __________ around 7 million.

5. What is the tallest building in Hong Kong? __________ the IFC Tower is the tallest building in Hong Kong.

6. Can you go with Kong Fei to Ocean Park? __________ I can. Let me ask my mum. She ’ s not in now.

7. When can you tell me? _______ tonight. _____ tomorrow morning.

8. If you can join us, we will play football tomorrow. I ’ ll try my best. ________ my mother will let me go if I help her mop the floor today.

9. My boss would like you to have dinner with him, Mr. Wong. I have an earlier appointment, but ________ I can change it.

10. How old is she? I don ’ t know. Twenty-five, ________.

11. You can use any of these words / phrases in the sentences.

12. I’m not sure, but I think maybe perhaps possibly