问题

iver could have survived, but he ____ theseat belt.
A:had been fastening
B:hadn’t fastened
C:was fastening
D:didn’t fasten
B:hadn’t fastened
C:was fastening
D:didn’t fasten
正确答案是:
同类题型
_______ she was standing andwaiting for a bus that she caught sight of the former President Clinton
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