问题
My father spends much money on books, _______ he’s not rich.
A:until
B:if
C:even though
D:unless;
B:if
C:even though
D:unless;
正确答案是：
同类题型
There are three ____________ students on the playground.
I have promised that my daughter _______get a new electronic dictionary on her next birthday.
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Never before ____ in greater need of modern public transport than it is today.