Can/can not, could/could not

 When Mary was 15, she was a fast runner. She _____run 200 meters in 30 seconds.

I am sorry, but I _____ come to your party next Friday.

I am not in a hurry. I _____ wait for you if you need more time to study.

Please speak louder. I _____ hear you very well.

I am very tired because I _____ sleep last night.

John was a smart child. He _____ read when he was two.

It is sunny outside. _____ we go outside and play?

It is cold in here. _____ you please shut the window?

The lock was broken. I _____ open the door.

The museum is closed. We _____ go today.

_____ he ride a bisycle at the age of 3?

Tom is really athletic. He _____ run very fast.