[ Vocabulary ]
To make a silly or careless mistake.
A. caved
B. incognito
C. blunder
D. collective

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Vocabulary › ViewPeople believe that carrot extremely help one’s ___________.
A. develop
B. increasing
C. sight
D. bare
Grammar › View
Grades of obligation.
A. I think of going to the doctor.
B. Maybe I go to the doctor.
C. I should go to the doctor.