[ Prepositions ]
I have been studying ___ half an hour.
a. until
b. since
c. for
Select your answer:
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Vocabulary › Viewa hypothesis regarding the solution to a crime
A. motive
B. theory
C. alibi
D. deduce
Phrasal Verbs › View
We are trying to _______ the toughest time of the semester.
A. pull through
B. sleep over
C. stand up for