Mr.Smith______ Chinese for two years.He's much better at it now.( )
A.learnsB.was learning
C.has learnedD.will learn
______ the journey was tiring, Jeff thought it was worth both the time and the money.( )
As
Since
Unless
Although
There was something wrong with my car, _____ I went to work by underground.( )
for
so
or
but
The New Year Concert was so amazing that _____ left in the middle of it.( )
everybody
anybody
nobody
somebody
Benjamin has learned that it is not polite to make _____ fun of others.( )
a
an
the
/
According to the rule,used batteries _______ be dropped in the red bin for harmful wastes.( )
must
need
can
may