I. Fill each blank with can, can' t, could, couldn' t, will be able to or won' t be able to.
1. Robots can' t talk now. In the future they _________ to talk to people.
2. In the past, robots __________ make coffee but they can now.
3. My younger brother ________ do sums when he was 5.
4. My sister _______ swim when she was 6.
5. ___________ you speak English fluently and quickly ?
6. I _________ write letters to my English friend.
7. I like teaching robot. They_______ help us study better.
8. Robots ________ guard the houses in the future.
9. _________ robot lift heavy things some years ago ?
10. In the future, robots ________ understand what we say.
I. Fill each blank with can, can' t, could, couldn' t, will be able to or won' t be able to.
1. Robots can' t talk now. In the future they ____will be able_____ to talk to people.
2. In the past, robots _____couldn't_____ make coffee but they can now.
3. My younger brother ____could____ do sums when he was 5.
4. My sister ____couldn't___ swim when she was 6.
5. ______can_____ you speak English fluently and quickly ?
6. I _____can't____ write letters to my English friend.
7. I like teaching robot. They___can____ help us study better.
8. Robots _____will be able to___ guard the houses in the future.
9. _____could____ robot lift heavy things some years ago ?
10. In the future, robots ____will be able to____ understand what we say.
I. Fill each blank with can, can' t, could, couldn' t, will be able to or won' t be able to.
1. Robots can' t talk now. In the future they _____will be able____ to talk to people.
2. In the past, robots _____couldn't_____ make coffee but they can now.
3. My younger brother ____could____ do sums when he was 5.
4. My sister ___could____ swim when she was 6.
5. ____Can_______ you speak English fluently and quickly ?
6. I ____can_____ write letters to my English friend.
7. I like teaching robot. They___can____ help us study better.
8. Robots _____will be able to___ guard the houses in the future.
9. ____Could_____ robot lift heavy things some years ago ?
10. In the future, robots ___will be able to_____ understand what we say.