[ Grammar ]
There was an explosion in technology _____ the beginning of the 20th century.
A. in
B. at
C. through
D. on

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Grammar › ViewThe shop ____ sells vintage clothes is located on Main Street.
A. which
B. who
C. whose
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Two years _____ I was in Japan.
A. last
B. yesterday
C. ago
Grammar and Vocabulary › ViewObviously, I’d be … of that list.
A. in search
B. in trouble
C. in charge
D. on the top
Modal Verbs › View
Ronnie doesn’t see well. He ______________wear glasses.
A. can
B. should