[ Grammar ]
The female penguin lays her egg and walks back to the sea by ______.
A. himself
B. myself
C. themselves
D. herself

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Grammar › ViewIdentify the perfect verb tense in the sentence.
By the end of the day, I will have read 40 pages in my book.
A. read
B. will have read
C. day
D. will have
Past Tenses › View
Past Simple: ____ you work yesterday?
A. Did
B. Was
C. Were
D. Had