[ Grammar ]
The thief …………….. to escape by the back door because it was locked.
A. able
B. was able
C. was unable
D. could able

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Pronouns, Sentence Structure, and Figurative LanguageGrammar : Must (Necessity)Independent ClausesPhrasal Verbs and Verb FormsAdjectivePast Tense & Past Continuous TenseFormal & Informal WordsQuestion TagFinite and Non-Finite VerbDefinite and Zero ArticleOther quiz:
Vocabulary › ViewMr Nam knows Hanoi City like the back of his……………………….. He used to be a taxi driver there for 10 years.
A. head
B. mind
C. life
D. hand
Grammar › View
What do you want for ________ birthday?
A. you’re
B. your
You’d better …..your English skills if you want to have a better job.
A. be taken aback
B. brush up on
C. look forward to
D. put forward
Modals › View
You … keep an open mind. Otherwise the discussion will be pointless.
A. ought to
B. shouldn’t
C. may
D. needn’t