A.犀牛rhinoceros
B.长颈鹿giraffe
C.袋鼠kangaroo
D.斑马zebra
______you will never convince him.
A.However long you argue
B.However you argue long
C.How you argue long
D.How long you argue
The secretary worked late into the night, ______ a long speech for the president.
A.to prepare
B.preparing
C.prepared
D.was preparing
Many a person in this circumstance ______ for a long break.
A.have hoped
B.has hoped
C.are hoping
D.has been hoped
______ the content is concerned, the book is worth reading.
A.As long as
B.As far as
C.As well as
D.As good as
Are you going to keep me___all day long?
A.to wail
B.wait
C.waiting
D.waited
I don't like are the long, dark nights of winter.
A.That
B.What
C.Which
D.This