40
(A)There
(B)It
(C)That
(D)What

答案：登入後查看
統計： A(121), B(867), C(98), D(87), E(0) #610592

詳解 (共 3 筆)

#1102136
It is estimated that  = 據估計
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1
#2747193
The speech of every ...
(共 1481 字，隱藏中）
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1
#3633651
In addition另外, a single language may have two or more dialects方言, or varieties變化. 
 It  is estimated估計 that there are several thousand languages and dialects spoken in the world today. 
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0