[ Past Perfect Tense ]
Where _____ the security guard gone?
A. did
B. had
C. have
D. is

Random Topics:
Simple, Complex, Compound SentenceNouns, Articles, DeterminersHas Got & Have GotRelative PronounsRegular and Irregular VerbsPrepositions of Time & PlaceAdverbial Clause / If / ComparativesModals in the Past - Speculation and DeductionConjunctions & PrepositionsConnectorsOther quiz:
Countable and Uncountable Nouns › Viewtraffic
A. countable
B. uncountable
Preposition › View
Could you put this pen _______ the table?
A. on
B. under
C. behind
D. in front of