Make sure that the lighting is _____so that we can see all things clearly.[ ]

I’m planning to hold a party in the open air, but I can make no guarantees because it ________ the weather.

Every year, the coal workers their lungs X-rayed to ensure their health

You can only be sure of ________ you have at present; you cannot be sure of something ________ you might get in the future

Rose found her toy bear _______under the chair.