1. He isn't strong enough to carry the box

2. The weather wasn't warm enough for us to go swimming

3. He wasn't experienced enough to do the job

4. The ladder wasn't long enough to reach the window

5. The tea isn't strong enough to keep us awake

6. The fire isn't hot enough to boil the kettle

7. The ice is thick enough for us to walk on it

8. It wasn't warm enough for us to sit in the garden

Chúc bạn học tốt!