Can / could - 4th year

I _______ understand the chapter we had to read for homework. It was too difficult!

• couldn't

• could

• can

• can't

Lucy ______ make it to our meeting after all. She's stuck in traffic.

• can

• can't

• could

• couldn't

John _____ play tennis really well. He's the champion of his club.

• can

• can't

• could

• couldn't

Unfortunately, I really ____ sing at all. No one in my family is into music either.

• can

• can't

• could

• couldn't

John ______ play excellent golf when he was only ten.

• can

• can't

• could

• couldn't

My grandmother _____ use a computer until last month. She's been taking lessons

• can

• can't

• could

• couldn't

I ____ open this window! I think it's stuck.

• can

• can't

• could

• couldn't

Jill _____ play the piano. She has never studied it.

• can

• can't

• could

• couldn't