While crossing the mountain area, all the men carried guns lest they ______ by wild animals.

Not all birds can fly , ______ do all birds build nests.

Inordertobuyanewcar,youshouldatleast______onehundreddollarsaweek.

Notallbirdscanfly,______doallbirdsbuildnests.

If you’re sitting around a lonely campfire at night, the howl of a wolf can sound pretty______.