A. thumbing B. videoing C. unscrewing D. retrieving
A. undertake B. understand C. undergo D. underline
A. Only B. If C. Only if D. If only
A. terms B. points C. outlooks D. definitions
A. defects B. flaws C. faults D. errors
A. companies B. companions C. accomplishes D. accompanies
A. incorporate B. reinforce C. challenge D. transform
A. elicited B. aroused C. commanded D. engaged
A. absorbed B. incorporated C. accumulated D. insulated
A. transfer B. transform C. transmit D. transport