[ Grammar ]
Fortunately, the hospital’s new air-conditioning system ________ when the first heat wave of the summer arrived.
A. had installed
B. installed
C. had been installed
D. had been installing
Random Topics:
Adverb ClausesArgumentative VocabularyLinking VerbSimple Present and Past TensesActive & Passive VoiceInfinitives and ING FormsPresent Perfect and Present Perfect Progressive TensesNouns FormationModal Verbs for Permission and ObligationPresent Simple vs Present ContinuousOther quiz:
Grammar › ViewHis grandparents often …. him once in a month.
A. visits
B. visited
C. visit
D. is visits
Homonyms › View
An unmoving object is said to be ___.
a. stationary
b. stationery
I want to go to Paris for my honeymoon, but she ___.
a. don’t
b. doesn’t
c. didn’t
Grammar › View
I want to be __________________ woman in the world.
A. the most beautiful
B. the beautiful
C. beautiful
D. more beautiful