[ Grammar ]
. The Himalayan mountains are believed _______ about 50 million years ago.
A. to have been formed
B. that were formed
C. forming
D. to form
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Grammar › ViewMy friend ………. football on Saturday.
A. loves to playing
B. love to playing
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Vocabulary › View
to carry something away by the movement of water
A. knocked down
B. washed away
C. flood
D. washed up