[ Grammar ]
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:
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