Chinese must have the largest number of speakers ?A. mustn’t thatB. haven’t theyC. don’t

问题补充：

Chinese must have the largest number of speakers, ?

A. mustn’t that

B. haven’t they

C. don’t they

D. doesn’t it

答案：

A. mustn’t that

B. haven’t they

C. don’t they

(答案→)D. doesn’t it

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