[ Grammar ]
I … when I …. a knock on the door
A. was cooking ,was hearing
B. cooked ,heard
C. was cooking ,heard

Random Topics:
Conjunctive AdverbsPast Simple (to be)Vocabulary and Sentence StructureAdjectivePresent ContinousConditional SentencesPreposition & GerundThe First Conditional SentenceAdverbs (manners & modifiers)Common ErrorOther quiz:
Grammar › ViewSue is interested in __________ a teacher
A. becomes
B. becomed
C. become
D. becoming
Gerunds and Infinitives › View
My father spends all morning ___ the radio.
A. to listen
B. listen
C. listening
Grammar › View … of the students are boys.
A. all
B. some
C. most
Subject Verb Agreement › View
Most of the young students _______ supported by their parents.
A. is
B. are
C. have
D. has
