20. Which word or phrase cannot complete the sentence? Children ________ watched at all times.
(A) must
(B) should be
(C) are always
(D) like being 

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統計： A(12), B(0), C(2), D(0), E(0) #1905633

詳解 (共 1 筆)

#4645037
must 後加原形動詞，所以這個選項不適...
(共 23 字，隱藏中）
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