问题
It was there, the police believe, _________ she was able to activate the recorder she kept in her bag.
A:until
B:which
C:that
D:When
B:which
C:that
D:When
正确答案是：
同类题型
Jerry __________ to stay at home just now.
Mary said she ______ to school the next Sunday.
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“We will learn English words this year,” the teacher said to the students.