[ 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:
Adverbs › ViewWhat are Adverbs?
A. Words that are used in the place of nouns.
B. The words who describe a adjective and verbs.
C. The words who describe a noun.
D. The words who describe a adjective,verb and another adverb
Grammar › View
The express train often ________ on time.
A. is arriving
B. has arrived
C. arrives
D. arrive
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
