My grandfather is too old to carefor himself, so my aunt is looking for someone to _____ him.

It’s not until we know more about it _______ be able to improve the situation.

__________ many times, he finally understood it.

How do you spend your weekends— If I __________ free, I ___________ to the cinema with my good friends.

I can’t decide which colour to choose. Maybe blue looks good _____ me.— I don’t think so. I’m sure you look more energetic _____ red.