[ Passive Voice ]
Mr. Green ___ at the University since 1989.
A. Has been teaching
B. Has been taught

Random Topics:
Modal Verbs - ObligationMust / must notCountable & Uncountable NounsWill or Going toConditional Type 1Grammar PhrasesIdiom and TensesConjunctionTenses - Irregular VerbsQuantifiersOther quiz:
Grammar › ViewA(n) _____ clause cannot stand by itself as a sentence.
A. independent
B. dependent
Modals › View
Complete the missing word. In order for animals to survive, they ________ evolve along with their changing habitats.
A. could
B. must
C. can
D. would
Second Conditional › ViewIf you (be able to) ______________ sing well, what kind of song ______________________ (you/perform)?
A. were able to/ would you perform
B. would be able to/ did you perform
Grammar › View
mail + man=
A. man
B. mail
C. mailbox
D. mailman
