问题
选择题
It was not until he became very ill ______ he went to see a doctor.
A．what
B．that
C．when
D．then
答案
答案：B
考查含有not until的强调句型。It is + not until +其它+that,句意：直到他生病了他才去看医生。故选B。
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It was not until he became very ill ______ he went to see a doctor.
A．what
B．that
C．when
D．then
答案：B
考查含有not until的强调句型。It is + not until +其它+that,句意：直到他生病了他才去看医生。故选B。