[ Modals ]
Sorry, Teacher. I ____________ do it yet.
A. couldn’t
B. haven’t been able to
C. wasn’t able to

Random Topics:
Definite, Indefinite and Zero ArticlesSentence Structure and Pronoun AntecedentReflexive pronounsGrammar - either...or, neither...norGerundsTenses and Passive VoiceConditional Sentences Type 1Can vs be able toModals of Speculation and DeductionCommon & Proper NounsOther quiz:
Conditional Sentences › ViewI am very busy. I ________(take) up a new hobby if I ________(have) free time
A. would take, had
B. take, have
C. will take, have
D. took, had
Grammar › View
Complete the sentence: “I wish I ______ how to swim.”
A. know
B. knew
C. knowed
D. have known
Vocabulary and Grammar › ViewPeople make plastic from plant now.
A. TRUE
B. FALSE
Subordinating Conjunction › View
___ you study hard, you will pass the exam.
A. Because
B. If
C. Until
D. When
