[ 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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Tenses and Structures › View. Complete the sentence: If they invite me, I (will go, went) to the party.
A. will go
B. would go
C. goes
D. gone
Grammar › View
Find the exclamation
A. I want to make a snowman!
B. Let’s sit by the fire.
C. Dad puts on a hat.
D. Jane’s family plays in the snow.
Grammar › ViewMy friend ………. football on Saturday.
A. loves to playing
B. love to playing
C. to play
D. loves playing
Vocabulary › View
to carry something away by the movement of water
A. knocked down
B. washed away
C. flood
D. washed up
