[ Adverbial Clauses ]
He was writing to his friend when he ______ a noise.
A. was hearing
B. heard
C. had heard
D. hears

Random Topics:
Used to - Would - TensesWH Questions and Simple Past TenseConjunctive Adverbs and PunctuationSimple Verb TensesModal PerfectPast Narrative TensesPaired ConjunctionGrammar and Sentence StructureAuxiliary VerbsWish / If only ( Present)Other quiz:
Adverbs › ViewI _____ this project two weeks ago.
A. started
B. start
Grammar: Syntax › View
Refers to a group of words that function as a single syntactical unit. For example, in the sentence, ‘The grey cat sat on the mat,’ the ________ ‘The grey cat’ acts as a single unit. ______ are identified by their main head word.
A. phrase
B. clause
C. sentence
D. active voice
Grammar › ViewLyla should be happy to get his call
A. rational
B. permission
C. capacity
D. suggestion
Modals › View
I…..sign the forms before I can officially start work on Monday.
A. had to
B. has to
C. have to
D. need
