Topics: Perfect Modals
They ________ been more careful with their decision.
A. must have
B. could have
C. should have
D. would have
Select your answer:

Random Topics:
Modals, Phrasal Verbs, Gerunds and InfinitivesAdverbs, Modals, Preposition of timeModals and Comparative SuperlativePhrases and TensesThe Future Simple TenseWh- Questions Present Simple TenseNoun Phrases and AdverbialsElectricity Vocabulary1st and 2nd ConditionalsAdverbial Clause of MannerOther quiz:
Simple Past/Past Progressive › ViewDuring that time, I __________ in Japan.
A. taught
B. was teaching
C. were teaching
D. teached
Tenses › View
I … a football match from 6 to 8 PM next Saturday.
A. will be watching
B. watch
C. will have watched
