Could you go to the bookshop with me?I want to buy The Grass House by Cao Wenxuan.
Sorry,I____.I've promised Mum to go home right after school.( )
A.can'tB.couldn'tC.needn'tD.mustn't
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