[ Present Perfect Tense ]
We have cleaned our shoes … 10 a.m.
A. for
B. since
C. at
D. on
Select your answer:
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Grammar › ViewYou have to drive _______ on the roads in Saudi Arabia because there are many cars.
A. care
B. careful
C. caring
D. carefully
Conjunctions › View
______ in 1636, Harvard is one of the most famous universities in the United States.
A. Founding
B. Founded
C. It was founded
D. Being founded