It was reported that China's first moon car “Yutu" landed on the moon successfully _______December 14, 2013.A.in B.on C.at
They each carried__________ on their backs.
Not only __________do the work, but __________finish it on time.
Lucy looks unhappy today. Let’s give her this present _________ .
The old man was too poor ___________a room _________ .
—Did you have anyone ____________the meeting room? --Yes, I had the meeting room __________ .