[ Past Tenses ]
I _______ (was studying/studied) when my brother _______ (called/had called) me.
A. was studying, called
B. studied, had called
Select your answer:
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Grammar TOEFL › ViewA machine _____ could monitor efficiency would be very useful.
A. whom
B. that
C. it
D. when
Subject Verb Agreement › View
I _____ in an office and _____ in a flat in the suburbs.
A. work, live
B. works, lives