Some of my friends are interested in science, but none of them can tell ________.
A. when UFOs appeared next time
B. that horses know the way or not
C. where was this kind of plant found
D. how elephants communicate
______ your English teacher ______ you ?
A. Do, strict in
B. Does, strict with
C. Is, strict with
D. Is strict in
They were talking about the persons and things _______ they saw in the factory.
A. which B. that
C. what D. they
Not only the students but also their teacher_______ the Great Wall before.
A. have been to B. has been to
C. has gone to D. went
It is impossible for ______ little children to do ______ much work within 20 minutes.
A. so, so B. so, such
C. such, so D. such , such
He has spent as much time as he has _______ English in the morning.
A. to read B. to reading
C. read D. reading
