问题
__, no one is sure whodiscovered America
A:If you don’t keep to
B:Keepingto
C:Tokeep to
D:Keep to
B:Keepingto
C:Tokeep to
D:Keep to
正确答案是：
同类题型
Not everyone__________ hamburgers.
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______I really don’t like art, I find his work impressive.
There _______a “helping hands ” meeting _______ the afternoon ______May 1.
I’m ______, mum. Can I have something to drink —OK. Here’s some cola.