[ Tenses ]
The teacher —— in the class right now.
A. are teaching
B. is teaching
C. teaches

Random Topics:
Clauses of ReasonModal Verbs and ConjuctionsComparatives, Superlatives, and ModalsFuture PassiveInfinitiveAdjective OrderTenses, Tag Questions, Phrasal VerbsPersonal Pronouns and VerbTypes of PhrasesPersonal & Possessive PronounsOther quiz:
Modal Verbs › ViewYou ____ ride your bike on the pavement.
A. can’t
B. can
C. wouldn’t
D. may
Prepositions › View
He lives _________ the house _____________ the end ______________ road
A. On, at, in
B. In, in, of
C. In, at, of
D. On, by, at