[ Present Perfect Tense ]
Thousand of whales … (migrate) to give births.
A. migrated
B. are migrated
C. have migrated
D. has migrated

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Grammar › View“How much money have you put into the account?” they asked her.
A. They asked her how much money she has put into the account
B. They asked her how much money she had put into the account
C. They asked her how much money he has put into the account
Grammar › View
It can’t be denied that English has become an _________language of the world
A. national
B. international
C. cultural
D. multicultural
Grammar › ViewDancing on stage was a joyful experience.
A. Sell, terrible
B. Selling, meaningful
C. Sells, awful
D. To sell, wonderful
Vocabulary & Grammar › View
Globalization is often said to have ____ negative effect on the world’s cultural diversity.
A. a
B. an
C. the
D. no article
