英语填空题The first time I remember noticing the crossing guard w

英语填空题
The first time I remember noticing the crossing guard was (1) __ he waved to me as I drove my son to school.He presented me (2) __ a puzzle — all because he waved
to me like someone does on seeing a close friend.A big,bright smile accompanied his wave.For the next few days I tried to study his face to see if I knew him.I didn’t.
Perhaps he had mistaken me (3) __ someone else.By the time I contented myself with the conclusion that he and I were strangers,we were greeting each other warmly every
morning like old friends.
Then one day the mystery was solved.As I approached the school he was standing in the middle of the road holding out his stop sign.I was in line (4) __ four cars.
Once the kids had reached the safety of the sidewalk,he lowered his sign and let the cars (5) __ .To the first he waved and smiled in just the same way he had done to me
over the last few days.The kids already had the window down and were happily waving their reply.The second car got the same greeting from the crossing
guard,and the driver,a stiff-looking businessman,gave a brief,almost awkward wave back.
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