[ Narrative Tenses ]
The burglar ___________ to open the safe when the owner _____________ in.
A. was trying / came
B. tried / came
C. tried / was coming

Random Topics:
Types of PrepositionConditional TypesFuture Simple TensesRequest with Modal VerbsDescriptionsAdverbial Clause of ConcessionPresent Tense vs Past TensePunctuationGrammar - must & have toCorrelative Conjunction & Complex SentencesOther quiz:
Grammar › ViewMy ________house is in Ha Noi.
A. grandmothers
B. grandmother’s
C. grandmother
D. grandmother’s house
Conditional Sentences and Adverbs › View
If it hadn’t rained, we ______ to the park
A. will have gone
B. will gone
C. would have gone
D. will go
Present Tenses › ViewI….(wait)….for you since two o’clock.
A. has been waiting
B. waiting
C. have been waiting
D. am waiting
Grammar › View
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.
