[ Grammar ]
Something _________ happened or they would be here by now.
A. must
B. must be
C. must have
D. must have been
Select your answer:
Random Topics:
Noun ClausesInfinitive GerundPast ModalsLet & Be allowed toPhrase or ClauseGrammar-Translation MethodPresent, Past, and Future TimeVerb Tense, Pronouns and AntecedentsInfinitives for reasonsSimple vs Continuous Past TenseOther quiz:
Narrative Tenses › ViewI ____ for you around the office until Martin ____ me you ____ home long ago.
A. looked / had told / was going
B. had looked / was telling / went
C. was looking / told / had gone
Grammar › View
Our cars pump out thousands of tonnes of _____ fumes every year.
A. poisonous
B. poison
C. poisoning
D. poisons