[ Modal Verbs of Certainty and Possibility ]
She could _____ more polite, but I think she was in a bad mood.
A. have been
B. be

Random Topics:
Definite and Indefinite ArticlesSentence and FragmentPresent and Past Simple PassiveModals and Past TensesGerund Subject or ObjectSimple Present ProgressivePunctuationsFuture Continuous TenseAdverbial Clauses of Reason / CauseSpeech TensesOther quiz:
Grammar › ViewHe ________ very hard on a report.
A. worked
B. work
C. were working
Gerund vs. Infinitive › View
I am planning to complete all my homework on time.
A. Partciple
B. Gerund
C. Infinitive
That woman smiled at me as if she had known me. The meaning of the sentence is : That woman ……..
A. Knew me
B. Has known me
C. Had known me
D. Didn’t know me
E. Knows me
Grammar › View
My neighbour noticed the man with many bags of food ____________ towards the lift and assumed her was a deliveryman.
A. walk
B. walks
C. walking
D. was walking
