[ Modal Verbs ]
Residents in the Blackwood área complained last night that they ____ warned about the escape of a dangerous snake.
A. must have been
B. should have been
C. had to be
D. needn’t have been

Random Topics:
Wh- Questions Present Simple TenseComplex SentencesZero & First ContidionalPresent and Past Simple TenseGerund or InfinitivesPassive Voice Active VoiceClausePersonal PronounsAdjective Clause and Adverb ClauseModal and Phrasal VerbsOther quiz:
Grammar › ViewMark __________ drying the dishes by the time Sam arrived.
(past perfect)
A. Had finished
B. Was finished
C. Have finished
Nouns, Articles, Determiners › View
Please tell the salesman at the door that we don’t want to buy ……… .
A. something
B. anything
C. nothing
D. anyone
a, an, the, Zero Article › ViewIf _____heaven exists, then ____ hell must as well.
A. The, the
B. ____ _____
Grammar › View
The old building__________is in front of my house fell down.
A. of which
B. which
C. whose
D. whom
