[ Modals ]
. The new software __________ installed last week. It is running perfectly now.
A. Would be
B. Might
C. Could been
D. Should be
E. Must have been

Random Topics:
Modals VerbsContrastive ConjunctionsPreposition & GerundContinuous and Perfect TensesSo Such Enough TooSimple Present vs Present ProgresiveHabitual and Continuous TensesModals and Comparative SuperlativeConditionals 1,2,3Countable QuantifiersOther quiz:
Phrasal Verbs › Viewgo inside a car, a bus, etc
A. get in
B. get into
C. get off
Grammar and Vocabulary › View
What are you looking for? _______ I help you?
A. Did
B. Ought
C. Will
D. May
Tenses › ViewListen! Mrs. Jones (play) the piano.
A. has
B. has been playing
C. will play
D. is playing
Grammar › View
You mustn’t use a correction pen ________ errors in this assignment.
A. to prevent
B. to cover
C. to correct
D. to reduce
