[ Grammar ]
I saw _____ president on TV tonight.
(President: tổng thống)
A. 0
B. a
C. an
D. the

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Kinds of NounsGrammar / PronounsModal Verbs and PermissionGrammar (want to/ need to/ have to)Active and Passive Gerunds and InfinitivesAdverbs of DegreeQuantifiersGive, do and makeKinds of SentencesDegree of ComparisonOther quiz:
Prepositional Phrase › ViewThe doctor is working very hard in the emergency clinic.
A. the doctor
B. very hard
C. in the emergency clinic
D. is working
E. the emergency clinic
Grammar › View
John _________ listen to music.
A. doesn’t
B. don’t
C. not
Grammar › ViewAdverbs answer the questions:
A. when? where? how? why?
B. which? when? whose? to what degree?
C. when? where? how? to what degree?
D. what? whom?
Perfect Tenses › View
Which auxiliary verbs are used to form the present perfect tense?
A. will, shall
B. is, are
C. has, have
D. was, were