The policy of the mainland is very clear and straightforward,and the key problem is _____the leaders of Taiwan will accept it．
A．that
B．how
C．why
whether
I have been told that the new law will come into_________on January 1st next year．
A．effect
B．use
C．service 
existence
—I hope that you can remove the difference between you and Susan and become good friends．—________．If only Susan had the same idea．
A．My
pleasure B．It’s a pleasure C．By no means 
By all means
What a wonder! They’ve finished _________half of the project in such a short time．
A．no more
than B．no less than C．not more than 
much less than
I would have helped you, but I __ really occupied the whole week．
A．was
B．am
C．had been 
were
—Where did you get your laptop? I’d like to get one．
—Well, at_______ shop on Avenue 48,but I can’t say exactly．
A．some
B．any
C．each
every
