Her father told her to be careful when the street. [ ] A.he is crossing B.she is
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![Her father told her to be careful when the street. [ ] A.he is crossing B.she is](/pic/43_874711.jpg)
Her father told her to be careful when ________ the street.
[]A.he is crossing
B.she is crossing
C.crossed
D.crossing
试题答案
答案:D