in a white uniform, he looks more like a cookthan a doctor.

Must I turn off the gas after cooking ?–Of course You can never be ___ careful with that

下列各项关于文章、作者以及文体特点的描述无误的一项是 （ ）

Students are required to _______ down what the teachers teach in class. Which of the following is wrong?

The engineer hasspent one year working in the US and discovered how things ________overseas