The Colorado River flows through ___ Grand Canyon.
a. a
b. an
c. of
d. the

Random Topics:
IELTS GrammarClausesGrammar and Passive VoicePresent Simple Affirmative and NegativeVerb Moods and Vague PronounsModals of ProbabilitySuperlative & Comparative AdverbsSimple PastPhrasal VerbAdjective or AdverbOther quiz:
Subject – Predicate › ViewChoose the sentence that is divided correctly between the subject and predicate?
A. Many ostrich farmers raise ostriches / for their healthful meat.
B. Many ostrich farmers / raise ostriches for their healthful meat.
C. Many ostrich farmers raise / ostriches for their healthful meat.
Present Perfect Simple and Continuous › View
I ___ (call) you for half an hour. Where __ (you/be)?
A. have been calling; have you been
B. have called, have you been
C. have called, have you been being
D. have been calling, have you been beeing
Wh - Question › ViewA: _______do you have dinner ?
B: I have dinner at 6 p.m.
A. What
B. How
C. When
D. Why
Passive Voice Tenses › View
. Give an example of a sentence in the passive voice present tense.
A. The book is read by the students.
B. The students read the book.
C. The book was read by the students.
D. The students are reading the book.