[ Grammar ]
They studied hard although ______.
A. they were tired
B. they were good friends
C. they were happy
D. they had a lot to eat

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Will and Going toPresent Simple VS ContinuousConjunctionsNouns, Articles, DeterminersPerfect Tenses of VerbsTenses and VerbsAdverb of MannerIf ClausesFuture Perfect TensePresent and Past Perfect TensesOther quiz:
Tenses › ViewIt is difficult job to keep students away from mobiles and TV.
A. Present continuous tense
B. Simple present tense
C. Past perfect tense
D. Simple past tense
Grammar › View
Daniel hasn’t seen his grandparents _______.
A. since 2005
B. in five years
C. in 2005
D. five years ago