Sarah is _______ a kind-hearted girl _______ she often helps people who are in trouble. [ ]

Please help ______ to some fish, girls.

Fortunately, the illness is fully treatable if _____ within ten days.

I study really hard ________ I can make my dream come true.

You are ______ to be hit by lightning ______be attacked by a shark, so don’t be frightened by sharks.