My elder brother wants to buy a _____ computer, so that he can carry it around when he travels.

After the new technique was introduced, the factory produced______ tractors in 1998 as the year before.

 From his ______ look, I could see that he didn't believe what I said.

He was watching her doing it with a ________ look on her face, as if to say that she would not change her mind.

—Why didn’t you buy the MP4 player?—I’d like to have, but I was ￡20 ______.