PRACTICE TEST 10- Đại từ nhân xưng, Đại từ sở hữu và Đại từ phản thân
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Operate the machine _______. A. as if you have been instructed B. as if were instructed C. as you have been instructed D. as though you have been instructed

90/100

Operate the machine _______.

as if you have been instructed

as if were instructed

as you have been instructed

as though you have been instructed

Giải thích

Chọn đáp án C