[ 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:
Phrasal Verbs › ViewTurn up
A. You are forced to deal with something unpleasant
B. To accept an opportunity quickly and eagerly.
C. To become friendly with because they think that they will benefit in some way
D. It happens or becomes available unexpectedly or in a way that was not planned
Grammar › View
He was _____ happy to see his friend.
A. very
B. too
C. enough
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
