21. ---I don’t imagine Russ and his poor dog had a good time on the deserted island,____?
---I have no idea.
A. did they B.do you C. didn’t they D.hadn’t they
22. ---What is the new bridge like?
---Well,it is now _____of the old one.
A.more than the width twice B.more than twice the width
C.more than twice as wide as D.twice more than as wide as
