[ Tenses ]
The theory of relativity ____ a major breakthrough in 1905.
A. was
B. is
C. will be
D. being

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Present Simple/AffirmativeVerb Patterns / IngContrastive ConjunctionsRelative - ConditionalAbstract NounsNarrative TensesCardiology ServicesPrepositions and TensesProgressive TensesContrast Linking WordsOther quiz:
Grammar › ViewFill the blank with suitable preposition
I bought it ……. a rupee
A. in
B. at
C. with
Modal Verbs › View
Our class ____________ a picnic at Thay Pagoda this Sunday
A. go to have
B. is going to have
C. will has
D. am having
Conditional Sentences › ViewShe didn’t do the test because it was too difficult.
A . If the test had been too difficult, she could have done it.
B . If the test hadn’t been too difficult, she could have done it.
C . If the test were not too difficult, she could do it.
D . If the test hadn’t been too difficult, she couldn’t have done it.
Vocabulary and Grammar › View
Which word means “to hurt”?
A. leave
B. harm
C. selfish
D. difficult
