EXERCISE 26
66. To protect _______ hackers, security experts advise longer passwords _______ combinations of upper and lowercase letters, as well as numbers.
A. against - in
B. from - to
C. on - between
D. against - with
67. Van Gogh suffered from depression _______ by overwork and ill-health.
A. taken up
B. pull through
C. coming about
D. brought on
66. To protect _______ hackers, security experts advise longer passwords _______ combinations of upper and lowercase letters, as well as numbers.
A. against - in
B. from - to
C. on - between
D. against - with
67. Van Gogh suffered from depression _______ by overwork and ill-health.
A. taken up
B. pull through
C. coming about
D. brought on