Giải giúp mình ạ!!!!!

1. you hear the fireworks from your house last night? a. Can b. Can't c. Could. 2. Do you think you write that report by Tuesday? I know you're very busy. 9. will be able to b. couldn't c. have been able to 3. I_______ touch my toes. See! a. could b. can c. will be able to 4. I spend a ...