I hope _____on time.

They use the same senses as we do and their feet and hands are similar toours,　　　chimpanzees still have opposable toes and can grasp things with their feet.

How long has the train been away?—Sorry. I don’t know. By the time I got here, the train ________.

She parked her car outside the window _______, but the next morning she found it missing.

They often leave the boy alone at home. They think that he’s old enough to look after _____.