9.big 10.light 11.long 12.high
5.many 6.cheap 7.strong 8.old
1.good 2.easy 3.smooth 4.safe
17.boring 18.safe 19.few 20.expensive
13.free 14.small 15.good 16.many
9.tiring 10.careful 11.fine 12.busy
5.red 6.early 7.thin 8.well
1.long 2.large 3.easy 4.popular
15、直到…才… 16、超过
13、奥运会 14、东阳人