[ Present Tenses ]
When you _____ your work, you may leave the room.
A. do
B. did
C. have done
D. had done

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Comparatives and ConjunctionsComparison of Adjective and AdverbFirst Conditional, Future Time ClausesPast Tense (Regular and Irregular)Adverbs, Modals, Preposition of timeTenses and Word FormationPresent Continuous for FutureNarrative TensesConjunctive AdverbParticiple - ing/ edOther quiz:
Grammar › ViewShe spends a lot of time__________ the piano
A. practice
B. practicing
C. practices
D. practiced
Mixed General Quiz › View
The water level in the river is very ___.
a. row
b. low
Could you please close __________ window? I don’t think it is necessary to open all _______ four.
A. a
B. the
C. some
D. x
Vocabulary › View
The height of a thing above a reference level, especially above sea level or above the earth’s surface, elevation.
A. Cessna
B. altitude
C. pulverize
D. horde
