[ Past Modals ]
They _______ have heard the announcement, but they didn’t react.
A. could
B. could have
C. must
D. should
Random Topics:
If/Unless - Conditional type 1Adjective ClauseModal Verbs and Gender NounsProgressive Verb TensesAdverb or AdjectiveKinds of SentencesTenses and ArticleAdverbs of How Something is DoneConditional Sentence Type 2Neither/Either/All/NoneOther quiz:
Grammar › ViewIf you don’t want to continue working at your job any longer you can…
A. Fire
B. Hire
C. Call in sick
D. Quit
Grammar › View
They have been waiting for hours.
A. Non-Finite Clause
B. Finite Clause
Coordinate Conjunction › ViewCan you help me carry these books, __________ are you busy right now?
A. yet
B. and
C. so
D. or
Vocabulary and Grammar › View
What is the synonym of “destroy”?
A. Build
B. Ruin
C. Create
D. Repair