[ Passive Voice ]
Someone must ____ the door. They are waiting there.
A. be opened
B. open
C. opened

Random Topics:
Articles & PrepositionDegree of ComparisonSynonymsArticles and NounsConnectivesVocabulary : Coming & GoingPresent Perfect or Past SimpleAsking and Giving OpinionGrammar, adverbs of frequency placementGerunds in SentencesOther quiz:
Functional Sentence Types › ViewExclamatory sentences often end with which punctuation mark?
A. exclamation mark
B. question mark
C. comma
D. period
Passive Voice › View
When do people use passive voice?
A. Journalists can´t say who did something or they don´t know who did it.
B. Scientific reports or legal documents, the information has to be objective.
C. A and B are true.
Progressive Perfect and Simple Verb Tenses › ViewWhich perfect tense is the following sentence written in? I will have eaten lunch by the time you arrive.
A. past perfect
B. present perfect
C. future perfect
Grammar › View
A pitcher plant is a plant that ________ small animals.
A. trapped
B. traps
C. is trapped
