[ Mixed Tenses ]
The burglar ______ quietly around the living room when he accidentally knocked over a vase.
A. is creeping
B. are creeping
C. was creeping
D. had crept

Random Topics:
Subjective and Objective PronounPast Simple Negative & QuestionsPassive Voice Present SimpleAdverb of Frequency and TensesGrammar ModalsSimple TensesTenses of VerbsAdverbial PhrasesParts of Speech and GrammarTenses PracticeOther quiz:
Tag Questions › ViewThe airline agent was nice, wasn’t she?
A. Yes, she was.
B. No, she was.
Articles › View
………. fog was so thick that we couldn’t see ………. side of ………. street.
A. The/ a/ the
B. The/ the/ the
C. x/ the/ the
D. The/ the/ x
Grammar › ViewYou are my friend, ……?
A. Aren’t you?
B. Aren’t I?
C. Do you?
Gerund or to Infinitive › View
I’m trying really hard ______ this text.
A. to understand
B. understand
C. understanding
D. understood
