He never smokes _______ drops litter in public.( )
and
or
but
So
Thanks to the government,several new primary schools ________ in my hometown last year.( )
build
built
are built
were built
Henry was happy because ________ of his three sons came back home on Father's Day.( )
both
all
either
neither
Is the man in the car John?
No,it ________ be him.He went to Xi'an on business yesterday.( )
can't
must
mustn't
could
________ Chinese culture,many college students go to foreign countries every year.( )
Spreading
To spread
Spreads
Spread
Nothing is ________ than keeping trying if you want to achieve your dreams.( )
very important
more important
the most important
as important as