A moment, please.I’m checking if Mr. Smith _________ free tomorrow.
#42733
A
is
B
being
C
to be
D
will be
推荐题目
My hometown ______ a lot  in the past ten years.
#39886
A
change
B
changed
C
has changed
D
is changing
Bob is ________ at the map to find where Beihai Park is.
#41841
A
looking
B
looks
C
looked
D
look
Her grandmother         in 1997. She has           for 13 years.
#39890
A
dead, dead
B
died, been dead
C
died, died
D
died, dead