the many dangers_________– sailors have to face, probably the greatest of all is fog.

Thecleverboymadeaholeinthewall,____hecouldsee____was goingoninsidethe house

We are sure that our football players will do________ best.

______ are you buying so much food—Because your uncle is coming for supper.

It ___ to chat online all day long. You’d better do something else.