Only five of the firm's employees are________; all the other 19 were temporary.
A. permanent
B. persistent
C. perspective
D. pessimistic
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According to the first paragraph, gelatin________.
A. is a protein that can be obtained from animals
B. is harmful to human bodies
C. should not be made into a dessert
D. is lacking in tryptophan and arginine
All of the students required Professor Hill to________on the French novels he had been reading.
A. command
B. comment
C. compare
D. compel
After children have helped to set the table with impressive accuracy, they________.
A. are able to help parents serve dishes
B. seat themselves and wait for their meals
C. are able to figure out the total pieces
D. can enter a second-grade mathematics class
________from other countries can't work in the United States without a permit.
A. Emigrants
B. Immigrants
C. Migrants
D. Civilians
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