[ Grammar ]
Something _________ happened or they would be here by now.
A. must
B. must be
C. must have
D. must have been

Random Topics:
Past Continues TenseSentences vs Run-OnsTransitive and Intransitive VerbPresent Perfect Simple & Present Perfect ContinuousPoetry VocabularyPreposition on TimePhrase or ClauseNumbersMixed Present TensesPresent and Past TenseOther quiz:
Prepositions › ViewA preposition
A. is the position of a word.
B. shows the verb.
C. shows location, time, direction or movement of a noun or a pronoun.
D. shows what, when, where and why.
Present Simple vs Present Continuous › View
They ………………to play games online.
A. isn’t want
B. doesn’t want
C. not want
D. don’t want
Sentence Structure and Pronoun Antecedent › ViewIdentify the structure of the sentence below.
“Although Sarah was barren, she still bore Abraham a son.”
A. Simple
B. Compound
C. Complex
D. Compound Complex
Tenses › View
My dog ___ to play at the park
A. is like
B. likes
C. like
