He has never ________ of such a thing before.
#54048
A
hear
B
heared
C
heard
D
hearing
推荐题目
She ought to stop _______. She has a headache because she _______ too long.
#60581
A
to work, was reading
B
to work, has read
C
working, has read
D
working, read
The teacher asked Ben ____________ a difficult question in class.
#55172
A
answer
B
answering
C
to answer
D
answered
--- I hear that your good friend David ____________ books about history.--- Yes, but now he ____________ novels.
#52362
A
used to read; used to read
B
use to read; used to reading
C
use to read; is used toreading
D
used to read; is used to reading