[ 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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Adjective ending with ED & INGDirect-Indirect SpeechFinite and Non-Finite VerbMuch, many, a lot of, a few, a littleArticleEd and Ing EndingsModals of PredictionCity PlacesFirst ConditionalThe Future Simple TenseOther quiz:
Vocabulary › ViewMany people say that good friends ___ shared interests and experiences.
A. carry out
B. keep up with
C. bond over
D. contribute to
Grammar › View
If geo means Earth, what is geology?
A. the study of the Earth
B. a person who studies the Earth
C. the study of planting seeds in the ground
D. writing about the Earth
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
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We got a company ____our new carpet.
A. installed
B. to install
