This suggested that the matter can be converted into energy, and_______________.
A. in vain B. in chaos
C. as follows D. vice versa
To my astonishment, the handwriting on this cheque____________the one on that cheque.
A. is identical to B. is in agreement to
C. differ from D. vary from
It’s really a ____________topic whether to clone a human or not.
A. contradictory B. contrary
C. controversial D. confidential
How I wish I_____________in their discussion, or I would write this composition easily now.
A. could join B. had joined
C. joined D. join
From her__________face,I knew that she must have gone through many hardships.
A. terrified B. shocked
C. wrinked D. twisted
__________spending summer moving from the coach to the computer, by aiming for a specific goal, like volunteering, mastering a new skill, or working at a job.
A. Avoiding B. Avoid
C. Resisting D. Resist
