3. ___In the summer the trip to the mountains is our favorit.
(Right), the sentence has been true.
6. ____ In the office of the building across the street from the park on the corner.
(Wrong), because there aren’t subject and verb
The true sentence :
I am in the office of the building across the street from the park on the corner.
6. The large carotid artery ______ to the main parts of the brain.
a. carrying blood
b. caries blood
c. blood is carried
d. blood carries
b. carries blood
reason : because it is present tense, it is daily activity