[ Linking Verb ]
The situation _______ unchanged in the past 20 years.
A. remains
B. remained
C. has remained
D. has been remaining

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Conditional Sentences › ViewWere he……….( do) homework, he wouldn’t be punished by the teacher.
A. does
B. did
C. to do
D. done
Vocabulary › View
Imposing a condition to test a specific result
A. survey
B. frequency
C. data
D. experiment
Vocabulary and Grammar › View. Jenny is from Moscow, Russia. She is _______.
A. Russian
B. America
C. Canada
D. England
Has and Have › View
We ……… fried rice for lunch yesterday.
A. has
B. have
C. had
