dịch ngĩa nx ạ Exercise 9: Write the phrases in brackets in their correct forms into the gaps. 1. Last week we ____________ swimming, this week we can’t. (can/to go) 2. Maybe the Smiths ____________ a new house next year. (be able to build) 3. If you try hard, you ____________ your examinations. (can/to pass) 4. When I was five, I ____________ (not/can/to swim) 5. Dennis ____________ the trumpet after four months. (can/to play) 6. Luke has passed his driving test, now he ____________ a car. (can/to drive) 7. I ____________ to him on the phone for three weeks last month. (not/can/to speak) 8. Alex ___________ his homework when his desk is in such a mess. (not/be able to do) 9. They were so busy, they ____________ me. (not/can/to text) 10. Lisa ____________ her dress. She can wear it again. (be able to clean) giải thích nữa