[ 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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Mixed General Quiz › ViewArkansas is a major poultry ___ state, raising millions of chickens and turkeys.
a. productive
b. products
c. produced
d. producing
Grammar › View
He ____ to buy the book
A. decide
B. have decided
C. had decided
D. decided
Grammar › ViewMy friend ………. football on Saturday.
A. loves to playing
B. love to playing
C. to play
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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