She _________________ (call) him if she _________________ (know) his number.
A. called/could know
B. would know/know
C. called/would know
D. would call/knew

Random Topics:
PrepotitionsComparison & Modal Verbs in Passive VoicePast Tense and Perfect TensePrepositions of TimeRelative Clauses and Past PerfectHelping and Linking VerbsCompound Words and SentencesGrammar & VocabGrammar - TOEICComperative and SuperlativeOther quiz:
Vocabulary › ViewFATAL
A. CHANGING RAPIDLY AND OFTEN
B. THE ANTICIPATED OR EXPECTED COURSE OR OUTCOME
C. RESULTING IN DEATH
Modal Verbs and Contrastive Conjunctions › View
In which sentence is a modal verb used incorrectly?
A. They might travel to Europe next summer, but they haven’t decided yet.
B. He should to call his parents to let them know he’ll be home late.
C. She must decide between taking the bus or walking to work.
D. We could have dinner at the new restaurant downtown, or we could cook at home.
Modal Verb › View………… you speak Vietnamese? No, I ………….
A. Can-can’t
B. Need-mustn’t
C. Should-shouldn’t
D. May-may not
Idioms › View
Josh may get into hot water when driving at full speed after drinking.
A. get into trouble
B. stay safe
C. fall into disuse
D. remain calm
