The kite in China more than 2,000 years ago.( )
A.inventsB.invented
C.is inventedD.was invented
The Yangtze River is one of ________ rivers in the world.
long
longer
longest
the longest
His guitar ________ as a gift for him last week.
buys
is bought
bought
was bought
_________ a fresh spring morning it is!
Who
Why
What
How
Mr. Brown told his son not ________ the paintings in the museum.
touch
to touch
touching
touched
They have been friends ________ they first met.
since
while
before
after