[ Passive Modals ]
I found this book on my desk when I came to class. It — (leave) by one of the students in the earlier class.
A. must have left
B. must be left
C. must have been left
D. must have be left

Random Topics:
Conditionals and WishesSynonymReported Speech and TensesPresent Tenses and ConnectorsIndefinite PronounsGrammar: wishes and regretsConditional TypesVocabulary and GrammarCommon Grammar Mistakes and Spelling TipsVerb Types and TensesOther quiz:
Present Simple › ViewI ……… doing the dishes.
A. hate
B. hates
Tenses › View
____ the new museum next Saturday?
A. They are going to visit
B. Do they going to visit
C. Are they going to visit
D. Does they going to visit
Tenses › ViewWhat are you cooking in that saucepan? It ____________ good
A. smells
B. is smelling
C. smelled
D. has smelled
Grammar › View
“The homecoming game will be an awesome event if we win, and I hope the weather is nice.” What is the part of speech for “an”?
A. Adverb
B. Pronoun
C. Interjection
D. Article
