Choose the right answer. 1) I must/may/can/could be at the meeting by 10:00. I will probably must/be able to/have to take a take a taxi if I want to be in time.
2)You can/can't/must/mustn't be so rude! Why don't you sometimes try saying "please"?
3) Yesterday, I might/had to/could/should sit up late for my French final.
4) Ingrid received a scholarship to Univerzity. She may not worry at all about the cost of education.
5) Oh no! I forgot to pink Jenny up at the airport. She should/could/must still be there waiting for us.
6) I've tried this math problem at least twently times, but my answer is wrong according to the answer key. The answer in the book must/ought to/has to be wrong!