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[单选题]
A.inquiredB.worriedC.concernedD.observed
A.inquired
B.worried
C.concerned
D.observed
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A.inquired
B.worried
C.concerned
D.observed
The lecture was so (bore) ______ that many of the students in the classroom fell asleep.
How many kinds of onomatopoeia are mentioned in this lecture?
A.Two.
B.Four.
C.One.
D.Three.
No one had told Mr. Smith about there ______ a lecture the following day. (be)
He is preparing for a lecture on stock ______.
A、estate
B、exchange
C、plague
D、situation
A.Don't worry.We've got 20 minutes
B.Thank you.No hurry
C.Never mind.You go if you like
D.The lecture is useful
The meeting ended______his lecture on high education.
A.up in
B.by
C.up with
D.up