问题
________, the boy couldn’t enter his house.
A:Since the key has lost
B:The key been lost
C:Lost the key
D:Having lost the key
B:The key been lost
C:Lost the key
D:Having lost the key
正确答案是：
同类题型
When do you have P.E.? —We have it _____ Monday and Friday. [ ]
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Timmy goes to school _____ every day. It’s 5 minutes’ walk from his home to school .[ ]
The train_____ when I_____ to the station.[ ]
When he moved to Germany in ______, he was already in _________.