The word "dream"in the phrase "the pursuit of dreams" is synonymous with__________.
A. sleep
B. ambition
C. proposal
D. proposition
An _________ disease can be passed from one person to another, especially through the air you breathe.
A. infectious
B. infected
C. infection
D. infect
My jacket got__________ on a rosebush.
A. attracted
B. hooked
C. infected
D. aim
Global warmingis one of the most serious __________ we face.
A. challenge
B. challenging
C. challenges
D. challenged