[ Grammar ]
Did you see Karla? She just left in a hurry after receiving that phone call and she looked worried. I am sure, it ____________________ something serious.
A. Mustn’t be
B. Must be
C. May be
D. Might not be

Random Topics:
SentencesIndirect SpeechGender and GrammarPossesive Pronouns and Modals of AbilityConjunctions and TransitionsPreposition after some VerbsPresent Simple & Present Continuous TensesTo infinitive - GerundArticles and QuantifiersVerb Present Simple TenseOther quiz:
Vocab Checking › ViewI …. the quality time with my bosom friend who I haven’t seen for long.
A. experience
B. relish
C. feel
D. immerse
Correlative Conjunction › View
Darla is not very bright at school matters, but she is _____ creative ____ her brother was.
A. as … or
B. both … and
C. as … as
D. neither … nor
Homonyms › ViewWriters like to live high above the world in a ___.
a. garret
b. garrote
Homonyms › View
The ___ went on for more than six weeks.
a. trail
b. trial
