$1\mathrm{.}18\mathrm{.}4$: Fixing the first error.

A compiler generates the following error messages:

Line $7$: Missing semicolon

Line $9$: numItems not defined

Line $10$: Expected $\text{'}(\text{'}$

$1)$

The programmer should start by examining line $\_\_\_\_\_.$

$2)$

If the programmer corrects an error on line $7,$ the programmer should $\_\_\_\_\_.$

$3)$

If the programmer does NOT find an error on line $7,$ the programmer should check line $\_\_\_\_\_.$