[ Modal Auxiliary ]
My hands are full.I____________answer the phone right now.
A. can’t
B. might not
C. couldn’t
D. must

Random Topics:
Personal & Possessive PronounsPassive of Modal VerbsPresent Perfect and Present Perfect Progressive TensesTOEIC Tenses, VerbsFirst Conditional SentencePhrasal Verb and ModalAdjective ClauseSynonym and AntonymPassive SentenceDegree of ComparisonOther quiz:
Object Pronoun › ViewThat girl is my friend. I’ve known …for years.
A. her
B. him
C. them
D. us
Perfect Tenses › View
What are the signal words for the Past Perfect Tense?
A. yesterday, last week, ago
B. soon, later, tomorrow
C. before, after, when
D. by the time, by, in 2015