9. It is very cold outside. Please ask Sarah__________a jacket before she goes out.
(A) put on
(B) putting on
(C) puts on
(D) to put on

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統計： A(62), B(15), C(50), D(171), E(0) #3149086

詳解 (共 1 筆)

#5924590
用來表達目的或建議，需要使用動詞不定式（...
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