40. Cellphones are now so convenient that a business person can and often do save valuable office time by efficiently making telephone calls.
(A)so convenient
(B)often do
(C)by
(D)making

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統計： A(71), B(573), C(68), D(68), E(0) #1307603

107桃園正取，大家加油!!!!

B2 · 2017/05/13

#2188932

我個人認為do放在這句是助動詞，表示「真...

(共 76 字，隱藏中）

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呂佩璇

B1 · 2017/04/25

#2153582

do save兩個動詞不能放在一起

(共 19 字，隱藏中）

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Bagelhelper(不賣)

B3 · 2026/03/27

#7325541

(A) 為 so...that 用法

(B) S.是第三人稱單數→ 應改為''does''

(D) 因為前面的by (prep.)導致後面make+ing

40. Cellphones are now so convenient that a business person can and often do save valuable office time by efficiently making telephone calls.(A)so convenient(B)often do(C)by(D)making