__________ pleasant smells do not reduce pain in men is a puzzle for scientists.
A. Whether B. What
C. That D. Why
The bike-sharing schemes are aimed to __________ citizens to choose a healthy and green approach to solving the lack of public transportation.
A. attempt to B. attach to
C. appeal to D. add to
When I get the English novel my parents promised to give me, the difficulty I have is __________ I’m going to read the book without a dictionary.
A. how B. what
C. when D. that
He was __________ of running the red light when crossing the road, but he argued with the police.
A. cheated B. charged
C. accused D. ashamed
Johnny’s uncle promises that the boy __________ get a nice present for his birthday.
A. should B. must
C. can D. shall
It is important to __________ to teenagers the simple fact that life is a journey full of flowers and jungles.
A. get across B. get down
C. get over D. get through
