You have ________ that license unique and now can work independently.
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I hope to________ a high mark in my final exams.
Although he wasn’t a mechanic himself, he had _____________ quite a bit of knowledge about cars and how they worked simply from watching his father work in the auto shop.
After a lot of hard work, she _________ her dream of being able to speak 7 languages.
因为我国铁路采用左侧行车制,机车司机座位统一设在驾驶室左侧,为便于嘹望信号,规定固定信号机应设置在行车方向线路的左侧。
A. 对
B. 错