下列语句描述气候的是( )
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
This year, the family went camping on ________ Day, June 1st.
Child
Child’s
Children
Children’s
We must clean up ________ classroom before going home.
we
us
our
ours