[ Tenses ]
Systematic ocean exploration in the United States of America ____ in 1807 when Thomas Jefferson ___ the survey of the coast.
A. will begin / will authorize
B. began / authorized
C. has begun / has authorized
Select your answer:
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Grammar › ViewWhat does this meal consist ____?
A. out
B. of
C. on
D. with
Passive Voice Present Simple › View
Our house … of wood.
A. Made
B. Are made
C. Is made
D. Makes