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:
Modals › ViewThe team ________ meet at 9 AM, but the unexpected delay in transportation led to a rescheduled meeting time in the afternoon.
A. were supposed to
B. was suppose to
C. was supposed to
D. supposed to
Comparison › View
The painting we saw in the national museum is not ______ this one
A. as gorgeous
B. so gorgeous as
C. more gorgeous as
D. the most gorgeous
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?
