[ Each or Every ]
He sent an invitation card to … of his friends.
a. each
b. every

Random Topics:
Past Perfect Simple & ContinuousAuxiliary WordsModals and InversionGrammar: Imperative and Exclamatory SentencesPassive Voice with Modal VerbsTenses PracticeSentence Fragments and Complete SentencesWill and Going toModals Deduction: cant /mustTOEICOther quiz:
Infinitives and Gerunds › ViewShe suggested ___ the museum this afternoon.
A. to visit
B. visiting
Grammar › View
We _____ not happy after the sad ending.
A. were
B. was
C. did
Past Tense › ViewAfter we ______ dinner we went to bed.
A. had eaten
B. had been eaten
C. ate
D. were eating
Grammar › View
Fill in the correct collective nouns :
A ______ of stairs
A. Flight
B. Pack
C. Sequence
D. Galaxy
