I think you should ........(test). Here's the name of my optician.

have no idea about something (informal)

I love to bake, and I really _ _ _ e p_ _ _ _ _ _ _ in making delicious desserts everyone enjoys.

Scientists might discover new forms of life by the start of next century. (rewrite in passive)

invite someone to you house

A nurse is examining my brother right now. (rewrite in passive)

[correct] The thief managed to steal quickly the car.

[correct] I've considered often changing my job.

After the storm the city had to spend a fortune on snow removal to clear the streets that aren't WIDE/WIDTH enough for two cars to pass each other.

[rewrite using causative]. I like other people delivering stuff to my door.

have a moral obligation or be accountable for something

You look like someone who's shy, but only at first. (a little)

[rewrite using passive or causative]. I like other people delivering stuff to my door.