[ Tenses ]
If nothing is done one million species that are alive today ………………………………… (become) extinct in twenty years.
A. will become
B. are going to become
C. will have become
D. will be becoming

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Grammar › ViewThe rooster ___ when the sun rises.
A. crow
B. crowed
C. crows
D. crowing
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This phone is too expensive – I’m looking for something much more …
A. adapted
B. reverse
C. affordable
Grammar › ViewThe teachers have got a computer. That is the ______ computer.
A. teachers’s
B. teachers’
Possessive Nouns › View
the leg of the table
A. the table’s leg
B. the tables’ leg
C. the tables’s leg