16、Some are reading magazines, others are playing cards.
A.or B.for C.so D.while
17、We must get up early tomorrow. we’ll miss the first bus to the Great Wall.
A.so B.or C.but D.however
18、——I don’t like chicken fish.
——I don’t like chicken, I like fish very much.
A.and, and B.and, but C.or, and D.or, but
19、We want high speed good quality.
A.both, and B.either, or C.neither, nor D.not, but also
20、In spring it is hot cold here.
A.both, and B.either, or C.neither, nor D.not only, but
16、D 17、B 18、D 19、A 20、C