[ Relative Clauses ]
The glass __________ you are drinking out of, hasn’t been washed.
A. who
B. whom
C. which
D. whose

Random Topics:
Gerund or InfinitivePresent simple or Past simpleHave GotModals in the PastQuantifiersGrammar: AgreementHave to/Has toGrammar and PrepositionsIndefinite and Reflexive PronounsAdjectives & PrepositionOther quiz:
Grammar › View. He met several colleagues upon his first day at work, –was the team leader. He is happy that his team leader seems to be a cheerful guy.
A. both of whom
B. either of whom
C. none of whom
D. neither of whom
E. one of whom
Present Tenses and Vocabulary › View
The teacher made sure to explain the new topic in an ……………… way.
A. suitable
B. understandable
C. hospitable
D. edible
Grammar › ViewWhat ______at 11 o´clock tonight?
A. will you have done
B. will you have been done
C. will you be doing
Article & Preposition › View
Can you turn off _________television, please?
A. the
B. a
C. an
D. no article