问题
What were you doing when he ________“hello”to you—I _______in front of the blackboard.
A:was saying; read
B:was saying; was reading
C:said; read
D:said; was reading;
B:was saying; was reading
C:said; read
D:said; was reading;
正确答案是：
同类题型
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ou see to ___ that my apartment iscleaned during my absence —No,problem
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