问题

The CDs are on sale!Buy one and you get ______completely free.
A:other
B:others
C:one
D:ones
B:others
C:one
D:ones
正确答案是:
同类题型
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romised to develop a software package by the endof this year, ________ they might have
Smoking too much may lung cancer and cause other diseases.
The global financial crisis(金融危机) has made many people ____________ their money.