Can / Could

I ______ play tennis now. I´ve got a terrible headache.

• can

• can't

• could

• couldn't

My mother ______ play the guitar very well when she was young.

• can

• can't

• could

He was very sad because he ______ eat his ice cream.

• could

• couldn't

• can

• can't

My little brother ______ walk when he was 5 months old.

• can't

• can

• couldn't

Tom is very athletic. He ______ run very fast.

• can

• can't

• could

• couldn't

I _____ ride a bike when I was 5.

• can

• could

• can't

Now, Mike ______ swim very well.

• could

• couldn't

• can

• can't

Mary _____ sleep well last night because she was afraid of the dark.

• could

• couldn't

• can

• can't