单项选择题

It has been proved that once （）oxygen, the brain dies.

A. deprived of
B. having deprived of
C. depriving of
D. deprived

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单项选择题

I don’t have any money with me. Do you he asked. He said （）.

A. he didn’t have any money with him and asked me if I had
B. he doesn’t have any money with him and I do
C. he didn’t have any money and asked me if I do
D. he didn’t have money and asked me

单项选择题

（）, he can now only watch it on TV at home.

A. Not obtaining a ticket for the match
B. Having not obtaining a ticket for the match
C. Not having obtained a ticket for the match
D. Not obtained a ticket for the match