English people have four meals day, and they usually have breakfast at 7:00.( )
an; the
a; \
a; the
The environment here becomes better and better. birds are coming back.( )
Hundred
Hundreds
Thousand
Thousands of
More trees every year to make our city greener.( )
is planted
are planted
was planted
were planted
To avoid making mistakes, please read the questions before you answer them.( )
careful
careless
carefully
carelessly
Hong Kong is __ the south of China, it's one of the busiest cities in the word.( )
in
on
at
to
My sister practices playing ___ piano for the coming talent show.( )
a
an
the
/