[ Past Continuous Tense ]
Hoa and her brother … going to school when it started to rain
A. was
B. were

Random Topics:
Although / DespitePresent and Future Tenses1st and 2nd ConditionalsAdverbs, Modals, Preposition of timeTOEIC Tenses, VerbsFuture Tense - will and going toExclamationQuestion Tags in Verb TensesSimple PastSingular and Plural NounsOther quiz:
Grammar › ViewIn 2030 people ……………… flying cars.
A. having
B. are going to have
C. have
D. will have
Some vs. Any › View
………………. people think that Mary is stupid.
A. Some
B. Any
