[ Tenses for Hospitality ]
The cleaners ___ the lobby floor right now.
A. mop
B. mopped
C. mopping
D. are mopping

Random Topics:
Modal Verbs & Reflexive PronounsIF CLAUSEGrammar & Tensesas...as, comparatives, superlativesModal and Auxiliary VerbsWord FormationPassive SentencesHas and HaveVerb Tenses and SubordinatesSubordinate ConjunctionsOther quiz:
Subject-Verb Agreement › View9) Neither parent ____ fond of playing mahjong.
A. Is
B. Are
Present and Past Tense › View
John ….. the old lady carry her shopping bags last week.
A. helps
B. was helped
C. helped
D. help