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

Random Topics:
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:
Grammar and Vocabulary › ViewChoose the best option to fill in the gap: Sometimes ____________ wears people out and is worse than the lack of sleep itself.
A. the desire to sleep who
B. to sleep the desire
C. the desire to sleep
D. to desire to sleep is
Phrasal Verb › View
employ
A. Take on
B. Take in
C. Take out
D. Take off
Phrasal Verbs › ViewYou’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