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:
Moods of Grammar › ViewThe river flows under the bridge.
A. Conditional Mood
B. Imperative Mood
C. Indicative Mood
D. Subjunctive Mood
Grammar › View
‘There’ is used to show places. ‘Their’ is used to show belonging.
Which is correct?
—
A. The tall building belongs to them. There building looks so beautiful.
B. The tall building belongs to them. Their building looks so beautiful.
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
