[ 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 › ViewMy brother goes to school, so … my sister.
A. does
B. do
C. did
D. is
Adverbs of Frequency › View
______ it is really difficult to explain yourself to someone who doesn’t know you at all.
A. Hardly ever
B. Sometimes
C. Never
D. Always
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
