Do your characteristics match ?
- I see you go running every morning. - Yes. To lose weight, I decide to exercise _______. Wish you good luck!
- Why didn't you try your best to get on the subway? - I tried to, but it started moving_______ I could get on it.
- Didn't you see the sign "No Fishing!" on the right? - Sorry, I didn't. But now I know fishing_______ here.
- Could you give me a hand? - Well, please tell me_______ it is first.
- What type of mobile phone do you want to have? Something big? - Well, it _______ be big - that's not important. A mustn't B. needn't C. can't D. won't