1.Even though he has lived in China for many years, Mark still can not _______ himself to the Chinese customs.
A.adopt
B.adjust
C.adapt
D.accept
2.He tried to _______ with the manager for has salary.
A.evaluate
B.object
C.bargain
D.pause
3.To some _______, Mary still does not understand this unit. But she herself does not believe so.
A.extend
B.part
C.extent
D.content
4.Great Britain and France will hold a _______ regarding some European economic problems.
A.conference
B.reference
C.conversion
D.cooperation
5.Since he often travels on business, he can _______ himself to sleeping in any place he can find.
A.make
B.accustom
C.force
D.let