[ Relative Clauses ]
There was a time __________ dinosaurs dominated the earth.
A. which
B. when
C. that
D. both ‘which’ and ‘when’

Random Topics:
Articles and DemonstrativesWh- Questions Present Simple TenseFood VocabularyRelative - ConditionalPrepositions of TimeSubjective and Objective PronounModal Verbs and PermissionGrammar and StructurePrepositions and Prepositional Phrasestoo / enoughOther quiz:
Grammar › ViewI would like to attend your party but I ____ for my exams.
A. is studying
B. am study
C. don’t study
D. am studying
Simple Past Tense › View
What did you _____ (buy) at the store?
A. bought
B. buy
C. boyed
D. boied
Tag Question › ViewThe shoes don’t cost a lot of money, ____?
A. do they
B. don’t they
C. do it
D. does it
Perfect Tenses › View
Choose the correct form of the verb in “Past Perfect Tense”.
The thief ________ (run) away before the police arrived.
A. had run
B. had ran
C. had not ran