[ Grammar ]
They don’t know where the key is. That’s why they haven’t opened the door.
A. If they had known where the key was, they would open the door.
B. If they knew where the key was, they would have opened the door.

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Grammar Past and Future Tense › ViewComplete this sentence in the Future:
They __________ (not/cook) the dinner.
A. Will not cooks
B. Will not cooked
C. Will not cooking
D. Will not cook
Grammar › View
Mr. Sue’s flown to Japan, and _____.
A. so has his wife
B. his wife does, too
C. his wife hasn’t
D. neither is his wife
Grammar › ViewThousands of people turned up for the Pop Festival where the main ………….was Bob Dylan. (attract)
A. attracting
B. attractive
C. attraction
D. attractiveness
Grammar › View
We got a company ____our new carpet.
A. installed
B. to install
