30. Immunologists have determined that some germs ________ us sick, but not all germs are bad.
(A) making
(B) do make
(C) not make
(D) are not making
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統計: A(200), B(319), C(50), D(43), E(0) #717671
統計: A(200), B(319), C(50), D(43), E(0) #717671
詳解 (共 3 筆)
#2435487
"do make" us sick:助動詞 do在此為加強語氣
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0
#1137931
免疫學家已經確定,有些細菌使我們生病,但不是所有的細菌都是壞的。
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1