'Welcome'.upper()",
"'Welcome'.toUpper()",
"'Welcome'.toUpperCase()"
],
correct: 0
},
{
fillintheblanks: "exercise_strings4.htm"
},
{
fillintheblanks: "exercise_strings5.htm"
},
{
fillintheblanks: "exercise_strings6.htm"
},
{
fillintheblanks: "exercise_strings7.htm"
}
]