[ Relative Pronouns ]
Is Tom the boy … is good at maths?
A. who
B. which
C. whom
D. whose

Random Topics:
Parallelism and Subject Verb AgreementModals of AdvisabilityModals "Should"Nouns & PronounsGrammar (Adverbs, Prepositions, Prepositional Phrases)Past Simple vs Past ContinuousModals for DeductionAdverbs of Manner, Likes and PreferencesVocabulary and GrammarPassive Voice and Relative ClausesOther quiz:
Modals › ViewPortia mustn’t / shouldn’t have left the window open. The room is freezing cold now.
A. mustn’t
B. shouldn’t
Conditional Sentences › View
If someone walks under a ladder,
A. he/she will have bad luck.
B. he/she is bad luck.