China Mobile has to face the problem that more and more people in China prefer to choose ______ cheaper wireless phone service known as ______ “Little Smart”.
The shortage of supplies is________the price.
The science lab being built in our school is ____________ the former one.
________ we looked at it, the better we liked the oil painting.
—What a mistake! —Yes. I ________ his doing it another way, but without success.
—Simon is watching TV. —He's watching TV? He's ________to be cleaning his room.