The building ______ roof we can see from here is a hotel.
The boys enjoy playing basketball __________ many of the girls relax by playing ping-pong.
The teacher asked the students to do the experiment __________ small groups.
The website is very popular. And it’s amazing that __________ designer of it is just __________ nine-year-old child.
But for those interruptions, the meeting _____ half an hour ago.
_____ by the latest electronic toys, the little boy stood in front of the windows, without moving.