以下哪些是有效的变量名？ A: area B: 4ever C: m-king D: _int
以下哪些是有效的变量名？ A: area B: 4ever C: m-king D: _int
以下哪个是无效的C语言变量名？ A: 4ever B: main C: printf D: _a
以下哪个是无效的C语言变量名？ A: 4ever B: main C: printf D: _a
This is the best film I __________. A: ever saw B: ever see C: was ever seen D: have ever seen
This is the best film I __________. A: ever saw B: ever see C: was ever seen D: have ever seen
The prince and princess got married and lived happily ________. A: ever more B: as ever C: ever after D: for ever
The prince and princess got married and lived happily ________. A: ever more B: as ever C: ever after D: for ever
—Have you ______been to the USA —No, I've ______been there. A: ever; never B: never; ever C: ever; ever
—Have you ______been to the USA —No, I've ______been there. A: ever; never B: never; ever C: ever; ever
since之前加ever，除了强调没有其他意思。常见的表达有：ever since,ever befor,ever after, ever afterwards等。
since之前加ever，除了强调没有其他意思。常见的表达有：ever since,ever befor,ever after, ever afterwards等。
Neither of my parents remembered ______ the man before. A: have ever seen B: to have ever seen C: having ever seen D: to ever see
Neither of my parents remembered ______ the man before. A: have ever seen B: to have ever seen C: having ever seen D: to ever see
下列标识符中合法的是（ ）。 A: 4ever B: _name C: class D: ticket E: PIE F: super
下列标识符中合法的是（ ）。 A: 4ever B: _name C: class D: ticket E: PIE F: super
_____ ,I must do another experiment. A: Be it ever so late B: he is ever so late C: So late ever it be D: ls it ever so late
_____ ,I must do another experiment. A: Be it ever so late B: he is ever so late C: So late ever it be D: ls it ever so late
She never laughed, ______ lose her temper.( ) A: nor did she ever B: or she ever did C: or did she ever D: nor she ever
She never laughed, ______ lose her temper.( ) A: nor did she ever B: or she ever did C: or did she ever D: nor she ever