2. The oil made the ground slippery andtreacherousto walk on.
A. unfaithful
B. dangerous
C. uneven
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The Nile is one of theprincipalrivers of Africa.
A. principle
B. longest
C. main
These plans must bemodifiedif they're to be used successfully.
A. changed greatly
B. changed slightly
C. changed completely
Alunarmonth is the period between two new moons.
A. of the sun
B. of the moon
C. of the stars
The baseball match is beingsponsoredby a cigarette company.
A. opposed
B. supported
C. spoiled
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