[ Past Perfect or Past Perfect Continuous ]
We ________ in the garden for a long time when found the water hole.
A. had worked
B. had been working
C. had work

Random Topics:
as...as, comparatives, superlativesGrammar - may & mightClauseModals of Necessity and SuggestionPresent, Past, and Future TimeModals and Past TensesThird ConditionalsRoot WordModal Auxiliary VerbsSimple vs Present Continuous TensesOther quiz:
Tenses › ViewDuy is interested in ________ (listen) to music before _____ (go) to bed.
A. to listen / going
B. listening / go
C. listening / goes
D. listening / going
Modals - should › View
Last autumn, my friends and I … the park.
A. cleaned up.
B. made
C. sent
D. sweep
Grammar › ViewWhich one is correct?
A. The shoes in the store is cost $40.
B. The shoes in the store costs $40.
C. The shoes in the store are cost $40.
D. The shoes in the store cost $40.
Grammar › View
Have you been talking on the phone all evening?
A. No, I didn’t.
B. No, I haven’t been.
C. No, I haven’t.
