Put the correct form of either "can" or "be able to" for each sentence. Only use "be able to" if absolutely necessary!
1. I haven't ___concentrate recently at work. I don't know what it is.
2. My brother ___ cook very well. He is a chef in a French restaurant.
3. When he was only 2, my friend Lee ___speak quite well.
4. I have to go to a business dinner tomorrow night so I___ (not) come to the party. I'm very sorry.
5. Kevin lived in Italy for six years, so he must ___ speak Italian quite well. He will help you with your homework.
6. This telephone is terrible. I ___(not) hear you at all.
7. When the car drove into the lake, one of the passengers ___ (not) open the door and had to be rescued.
8. Despite the arrival of the storm, they ___finish the football match.
9. When I was very young, I used to ___touch my toes, but I can't now!!
10. The house was totally empty all day yesterday and I ___finish that book I was reading.
11. My mother tells me that her grandfather was one of the best musicians of his time in the city and ___ play the piano like a professional.
12. I hope to ___ speak English very well after this course finishes.