Which sentence uses the word uncertainty correctly?

There's a lot of uncertainty concerning the color of grass in springtime.

The delighted puppy wagged its tail and bounded toward me with uncertainty.

I was filled with uncertainty and confusion at my first swim meet.

His brash, swaggering tone made his uncertainty clear.

You are moving out of town and you are planning to sell your recently bought bicycle. draft a classified advertisement including the description of the bicycle, cost and other necessary details. about 50 words.

How might an author with the opposite attitude rephrase the following sentence? this historic building is a local treasure, with a distinctive exterior and many antiques and fascinating artwork on the inside. choose the correct answer from the following choices, and then select the submit answer button. it's a shame this old building hasn't been torn down yet: its ugly design makes it an eyesore, and it is full of rickety furniture and dusty paintings. this building was built over 100 years ago and features a design not seen on many other buildings of the era as well as a large collection of furniture and art. the old man running the antiques shop watched the kids with suspicion, worrying they would not handle his fragile merchandise with proper care. it is vital that we preserve the history of our town by taking care of buildings like this one, with its interesting design and outstanding collection of art and furniture.

Proofread this excerpt from a review of the film tangled. what type of errors does it contain? walt disney studios is back with another delightful film sure to entertain children and adults alike, hat’s off to the writer and director of this charming little endeavor. they have effectively managed to breathe new life into an old classic: by giving rapunzel's tale a fresh twist, instead of the meek and rapunzel of the original disney story; this retelling gives us a spunky and assertive heroine ready to take command of her own life. a. mixed-up tenses b. incorrect verb usage c. spelling errors d. punctuation errors