[ 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:
Grammar › ViewHe should _____ with us. I’m sure he will enjoy this trip.
A. come
B. comes
C. came
Adjective vs. Adverb › View
___ the wind changed directions.
A. Sudden
B. Suddenly
9) 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
