[ Vocabulary and Grammar ]
You need a passport to pass the _____ between Mexico and the United States.
A. edge
B. line
C. border
D. rim

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Present Perfect Tense › ViewThey’ve __________been there 6 times this year.
A. already
B. just
C. yet
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Wind ___ is a leading cause of airplane accidents.
a. shear
b. sheer
What is the main stress in the compound noun “greenhouse”?
A. Green
B. House
C. Both equally stressed
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Grammar & Vocabulary › View
Personal equipment…………………………………important.
A. is
B. are
C. be
D. being