(2013·吉林长春高中毕业班第一次调研)As the immune system weakens, it loses the ability ________ illnesses.
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A
fighting
B
fought
C
to fight
D
to be fought
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 — What made Tom scolded by the teacher?  — ________.
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A
He told a lie
B
Told a lie
C
Telling a lie
D
To tell a lie
Rather than ______ at home, he prefers ______ out to play football even on a cold day.
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A
to stay; to go
B
staying; to go
C
stay; to go
D
staying; going