[ Past Perfect Tense ]
When they ___________ (open) their suitcases, they realized that they ____________ (forget) their warm clothes.
A. open / forget
B. opened / had forgot
C. opened / forget
D. opened / had forgotten

Random Topics:
Pronoun-Verb AgreementArticleHomophonesContinuous TensePast SimpleGerund/ To Verb/ VerbWord Form & Verb TenseModals TensesDegrees of ComparisonPersonal PronounOther quiz:
Vocabulary and Grammar › ViewThe software _________ (optimize) user experience if the usability issues are addressed.
A. optimizes
B. would optimize
C. will optimize
D. optimized
Grammar › View
Why ____ he____ pandas?
A. do;like
B. does;likes
C. do;likes
D. does;like
Grammar › ViewChoose the right option
A. I wouldn’t do that if I were you
B. I did do that if I am you
C. I wouldn’t do that if I was you
D. I didn’t do that if I were you
Grammar › View
Whom does he look for ?
A. He is looked after for whom?
B. Who is looked after for him?
C. who is looked for by him?
D. He is looked after by whom?
