We each other since I came to Beijing, but we send emails very often.( )
A.don't seeB.didn't see
C.won't seeD.haven't seen
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
— Excuse me, what is Nick doing?
— Look! He ________ flowers outside.
waters
watered
is watering
has watered