--_________ useful invention the computer is.
--Yes, It helps us a lot.
A. What an B. What a
C. How D. How a
-- Be careful, _______ you will make mistakes in your exams.
--I know that, Mrs. White. One can never be too careful.
A. and B. or C. nor D. but
We don’t know when the sports meeting ______. When it ______, please tell me .
A. is held; will be held B. will hold; is held
C. will hold; holds D. will be held; is held
There are many trees ______ of the road! And ______ of the trees is growing larger and larger.
A. on both side; a number B. on each sides; a number
C. on both sides; the number D. on every side; the number
I’ll never forget the day_____ the great writer, MoYan came to our school and gave us a speech.
A. that B. which
C. when D. where
--What is our physics teacher like, do you know?
--Oh, he is very kind _________ he looks very serious.
A. because B. though
C. if D. when
