[ Mixed General Quiz ]
Brazil possesses rich minerals and soil; however, the country’s resources have yet ___ .
a. to be surveyed
b. be surveyed
c. to be surveying
Select your answer:
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Past Modals › ViewDavid is in jail. He _________ robbed a bank.
A. should have
B. shouldn’t have
Mixed General Quiz › View
Not every Texan has an oil well in ___ backyard.
a. his
b. their
c. your
d. our