[ Grammar ]
. I don’t know ___ book this is.
A. who’s
B. whose
C. whoms

Random Topics:
Verb Forms and PrepositionsGrammar - Wh QuestionsWill and Going toTenses & AffixesPresent Perfect and Past TensesNoun, Adjective, and Adverb ClausesVerb-ing and Infinitive-ed or -ingComparative and Superlative AdverbsFuture - Will and Be going toOther quiz:
Grammar › ViewShe’s the film star ___ husband is a famous writer.
A. who’s
B. whose
C. which
Idioms › View
Someone is going to have to take responsibility for this disaster. Who is going to …………..?
A. foot the bill
B. carry the can
C. hatch the chicken
D. catch the worms
Grammar › ViewI get up at… (9:45)
A. A quarter to ten
B. A quarter past ten
Simple Present Tense › View
It … most of the time.
- happen
- happens
