[ Subject-Verb Agreement ]
America and Russia (is / are) the most powerful nations.
A. Is
B. Are

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Vocabulary › ViewAs a direct ____, she has inherited not only the family estate but also its long-standing traditions.
A. descendant
B. root
C. ideology
D. species
Grammar › View
Many people who live near nuclear plants are concerned. —- go wrong, the impact on the surrounding area could be disastrous.
A. Something would
B. Something will
C. Should something
D. Does something
Grammar › ViewThey ________ (not have) a house of their own.
A. didn’t use to have
B. didn’t used to have
C. wouldn’t have
Grammar › View
The game will be canceled if not enough players show up.
A. active
B. passive
