[ Tenses ]
While Phong ______ a presentation, his laptop suddenly crashed.
A. has given
B. was giving
C. is giving
D. gives

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Complement vs. Compliment › ViewMy new boss often … me on my work.
- complements
- compliments
Grammar › View
________ China is the largest country in Asia.
A. A
B. The
C. An
D. –
Grammar › ViewIf Columbus _______ money from Queen Isabella, he _______ across the Atlantic.
A. do not receive/ could not sail
B. had not received/ might not have sailed
C. did not receive/ might not have sailed
D. would not receive/ might not sail
Grammar › View
Look and choose the correct answer.
A. They can climb a tree.
B. They can run in the park.
C. They can swim so fast.
