Question

It's not possible that he's sick.
He can't be sick.

1- It's possible that he's at home doing his homework.

2- I'm sure he's late.

3- It's possible that he's on his way now.

4- It's possible that he is lost.

5- I'm sure he wants to come.

6- It's possible that his cell phone is off.

Answer 1

1) He can be at home doing the homework

2) He’s late for sure

3) He can be on his way now

4) He can be lost

5) He wants to come for sure

6) His cellphone can be off