Translate the following sentences into Chinese .(英译汉) The engine's fuel system pumps gasoline from the gasoline tank and mixes it with air so that the proper air/fuel mixture can flow into the cylinders.
【简答题】Tim seldom failed in his exam, ________? A) did Tim B) didn’t Tim C) did he D) didn’t he 2. — Is it OK if I take this seat? — Sorry,______. A. here you are B. take it ...