On what days do British people like to write cards?
A. Father's Day and Mother's Day
B. Christmas
C. Birthday
D. All of the above
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Jane wanted to break up with her boyfriend, but she ________ herself at the last minute and decided to give it another try.
A. regretted
B. overwhelmed
C. strained
D. Reversed
In terms of academic achievement, I was never a failure, and will definitely ________ in the future.
A. make off
B. make sense
C. make it
D. make up
下面()是JavaScript支持的注释字符
A. //
B. ;
C. ——
D. &&
下面关于JavaScript变量的描述错误是()
A. 在JavaScript中,可以使用var关键字声明变量
B. 声明变量时必须指名变量的数据类型
C. 可以使用typeof运算符返回变量的类型
D. 可以不定义变量,而通过使用变量来确定其类型