Where is Jim— He _________ to the museum. He hasn’t come back.

Never before ________ the famous museum was just a stone’s thro away from their school, so out ________.

Not only you but also Mary ______to ______after-school activities.

________ you play the piano for us—Sorry, I can’t play the piano, but I can sing foryou.

当别人对你说：＂Sit down, please. (请坐)＂时，你应该说 ____________.