[单选题][A] upon [B] back [C] off [D] away
A by B down C away D forEachgenerationshouldtaketheresponsibilitytopass_____theh
A back B off C in D onHisparentsworriedthatextracurricularactivitieswereholdingh
(B)2. (C)3. (D)4. (C)
[单选题][A] over [B] out [C] off [D] away
A answer back B keep your back C watch your back D look backJustasthelettersays,
[单选题][A] use [B] turn [C] give [D] back
(B)2. (C)3. (D)4.
(B)2. (C)3. (D)4.
(B)2. (C)3. (D)4.