Little Bob is often educated by his parents to be good and friendly to anyone even if ________.
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A
attacking
B
is attacked
C
to be attacked
D
attacked
推荐题目
I got to the office earlier that day,   the 7:30 train from Paddington
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A
caught
B
to have caught
C
to catch
D
having caught
—Who is the man ______ by a group of students there?—A professor _____ research on physics.
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A
followed; did
B
following; did
C
followed; doing
D
following; doing
Entering the yard, I found it _________ with lots of _______ leaves.
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A
covering; falling
B
covered; fallen
C
covered; falling
D
covering; fallen