问题

He hasn’t got any hobbies _______ you call watching TV a hobby[ ]
A: If
B: Unless
C: When
D: Since
B: Unless
C: When
D: Since
正确答案是:
同类题型
Why not ______ the old women They need us.
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_____ to us, "Be quiet! Your little sister’s sleeping"
I don’t know if he _______. If he _______, I’ll tell him about it.