[ Past Tenses ]
I ________________ a lot to make this presentation.
A. was researching
B. researched
C. has researching
Select your answer:
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TOEFL Adjective and Adverb › ViewThe amount of light entering a room can be adjusted . . . the installation of new windows.
A. it is to be
B. when
C. during
D. meanwhile
Vocabulary › View
Police officers, pilots, members of the military and doctors wear _____________ to work.
A. boots
B. uniforms
C. purses
D. jerseys