[ Perfect Modals ]
They ________ been more careful with their decision.
A. must have
B. could have
C. should have
D. would have

Random Topics:
Conjunctions - Conjunctive AdverbsPast PerfectModal Verb-Ing and Infinitive Verb PatternsCardiology ServicesPassive SentencesSimple Present VS Present ContinuousPresent Continuos TensePassive VoiceTenses and ComparisonsOther quiz:
Grammar › View_____ Peter camp in the mountains then?
A. Was
B. Is
C. Did
D. Does
Grammar › View
CHOOSE THE CORRECT GRAMMAR TENSE
They have been working all day
A. Present Perfect
B. Present Perfect Progressive
C. Past Perfect
Adverb Clauses › ViewWhich subordinating conjunction is used to introduce an adverb clause of contrast?
A. since
B. while
C. because
D. unless
Phrasal Verbs › View
I hope help comes soon, Julie. I don’t think we can ______ much longer.
A. hold back
B. hold over
C. hold in
D. hold out
