Topics: Modal Verbs of Certainty and Possibility
She could _____ more polite, but I think she was in a bad mood.
A. have been
B. be
Select your answer:

Random Topics:
Infinitive and GerundsTransition WordsConstrative ConjunctionGrammar - Wh QuestionsWish SentencesSimple Present Continuous TensePaired ConjunctionSimple vs Continuous Past TenseQuantifiers and ArticlesComparative and Superlative AdverbsOther quiz:
Antonyms › Viewstingy
A. Calm
B. Emaciated
C. Generous
D. Gaunt
E. Mean
Present Tenses › View
They (not see) __________ the new exhibition yet, but they (plan) __________ to go this weekend.
A. haven’t seen/are planning
B. didn’t see/planned
C. don’t see/are planning
D. haven’t seen/planned
