All dogs are _____ of doing harm to human beings.
A. able
B. enable
C. enabled
D. capable
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We can _____ a long-term program for scientific and technological development.
A. formulate
B. formula
C. form
D. set
The most visible sign of the _____ of the crisis is unemployment.
A. intense
B. intention
C. intensity
D. tension
Snakes always ______ at their prey before they attack.
A. glare
B. stare
C. flare
D. glance
Five years ago in a _____ check-up my school doctor told me that I had heart trouble.
A. routine
B. regular
C. normal
D. usual