Choose the correct answer for each following question.
1. The teacher said: "You _______ do all exercises on page 21 in Look Ahead."
2. I _________ help my little brother more. My father said so.
3. I _______ take these medicines. The doctor said so.
4. I ________ write lines as a punishment because I threw the shoe of my neighbour through the window.
5. Sorry, I can't come. I ______ clean my room. I can't live in such a mess anymore.
6. He ______ clean the classroom because he had been throwing papers on the ground.
7. "You ______ help me", said the mysterious woman to the detective.
8. "The rules _____ be obeyed at all times!" shouted the headmaster.
9. "I ______ go. Otherwise I'll miss my train."
10. I ____ be home at one o' clock. Otherwise, my mother will kill me.
11. I ________ be at the meeting by 10:00. I will probably ______ take a taxi if I want to be on time.
12. Tina: Look at these flowers - they're beautiful! But, there's no card. Who could have sent them?
Stephanie: It ________ have been David. He's the only one who would send you flowers.
13. I _______ go to the hospital. I want to meet my old friend for the last time.
14. I _______ go to the hospital. I have a meeting with my doctor.
15. She ______ get up early on Monday. She want to do a lot of thing on this day.
16. She _______ get up early on Monday. She will have an important meeting on this day.
17. I haven’t phoned my mom for a month. I ________ phone her right after I’ve finished my job.
18. I have short-sightedness. I _______ wear a glasses when reading or using laptop.
19. She is a very kind person. She is also the most beautiful girl I have ever seen in my life. You ________ meet her.
20. It is illegal to turn right in this road. You ______ go straight or turn left.
