You use is when you write a statement. You use is when you speak of something such as your opinion.
She chose to discard the vocabulary test she did poorly on.
my friend died of pneumonia in 2000 she couldn't breath
I was lax in doing my chores, now I am grounded.
She did not have lax knowledge of the topic. This is an example sentence using lax.
YES
I can obtain myself
Homelesness in this neighbourhood is commonplace
you can start a senetence with or but it wont be proper grammer.
The law compacts the U.S.
One can use the LAX airport shuttle by visiting the 'SuperShuttle' website and pre booking the service. One can pay on site when arriving at the airport.
senetence according to the instructor