题目内容
10、I had not been reading for half an hour I heard steps outside.
A. while B. as C. when D. since
试题答案
10、C
相关题目
I had not been reading for half an hour I heard steps outside.
A. while B. as C. when D. since
查看习题详情和答案>>I had not been reading for half an hour _____ I heard the steps outside.
|
A.when |
B.while |
C.as |
D.since |
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