Can-can't-could-couldn't

The baby ___ walk. He is just 5 months

• can

• could

• can't

• could't

Mike is so intelligent that he ____ read at 5.

• can

• can't

• could

• couldn't

Joe ___ throw the ball far, he is an excellent baseball player.

• could

• couldn't

• can

• can't

My dog ___ eat very fast. He devours the food

• can

• can't

• could

• couldn't

_____ you watch the t.v. program last night?

• can

• could

• can't

• couldn't

I ____ hear you, please speak louder.

• can

• can't

• could

• couldn't

When I was 4 years old I ____ skate on ice.

• could

• can

• couldn't

• can't

We _____ play outdoors. It was raining hard.

• can

• can't

• could

• couldn't

Nowadays, people over 18 ____ vote.

• can

• can't

• could

• couldn't

I _____ solve this problem. It is really difficult.

• can

• could

• can't

• couldn't