When I came into the teacher’s office, he ________ on the phone.
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A
was speaking
B
spoke
C
had been speaking
D
had spoken
推荐题目
He_______ drawing.
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A
like
B
likes
C
to like
D
liking
 He will have learned English for eight years by the time he _______ from the university next year.
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A
will graduate
B
will have graduated
C
graduates
D
is to graduate
 All the homework     , the students went to see the movie Black Hawk Down.
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A
had been done
B
having been done
C
had done
D
having done