Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1.請選填would, could, should.
Anna: Last night, I studied for today's math exam from 6pm to 4am, and I'm feeling really tired now.
Billy: I've told you that you start to prepare for the exam at least a week ago.
Anna: I know that, but I'm just not so interested in math.
Billy: Doing math questions is a lot of fun! Next time if you have any math problem, you can ask me. I like to help you out.
2.請選填would, could, should.
I think citizens vote for a candidate who is honest, upright, and aspiring. If I were the mayor, I focus on the traffic and pollution problems. If these two problems be solved, Taipei be a better place to live.