[ Subject Verb Agreement ]
Half of the students inside the laboratory ________ a lab coat before engaging in hazardous activities.
A. wear
B. wears

Random Topics:
Modal Verbs of Deduction and SpeculationComparatives ( adj/ adv)Adverb of TimeAntonymsAuxiliary Verbs & Question TagsComparative and Superlative AdjectiveSentence and FragmentWish / If only ( Present)Conditional SentencesPast Simple TensesOther quiz:
Passivisation › ViewIn present perfect ‘is speaking’ becomes
A. Is spoken
B. Is been spoken
C. Is being spoken
D. Don’t know
Comparison Degree › View
My new job is … than my old job.
A. newer
B. good
C. the best
D. better