若是存在变量$ag=25，下而哪项中的代码不能输出"My age is 25"？( )
A: echo "My age is".Sage
B: echo "My age is $age"
C: echo 'My age is $age';
D: echo "My age is "."$age";
A: echo "My age is".Sage
B: echo "My age is $age"
C: echo 'My age is $age';
D: echo "My age is "."$age";
举一反三
- My grandpa died _________. A: at the age of my 2 B: for 2 years C: when I was 2. D: my age was 6.
- My grandpa died ______ . A: A . at the age of 2 B: B . for 2 years C: C . when I was 2 D: D . my age was 6
- My grandpa died（）. A: A.at the age of my 2 B: B.for 2 years C: C.when I was 2 D: D.my age was 6
- My father ( ) from his job at the age of 55.
- My mother ( ) two foreign languages by the age of twenty.