When does Grace use ‘can’t’ to express inability?
A. When the action is optional
B. When the action is already completed
C. When the action is easy to accomplish
D. When the action is impossible or beyond one’s capability.

Random Topics:
GRAMMAR - Could / Could notGrammar and Sentence StructureSimple Past Tense and Past Perfect TenseA(n), the, no articleVerbs and PrepositionsGrammar: Adjectives & PrepositionsAdjectivePresent PerfectPersonal PronounsGive, do and makeOther quiz:
Conjunctions and Verb Tenses › ViewWhat is the function of the conjunction “and” in the sentence: “She likes apples and oranges”?
A. To show contrast
B. To add information
C. To show cause
D. To indicate time
Vocabulary and Grammar › View
I don’t want to go to major sites. I want to ____ . It’s great to find out what locals do.
A. get off the beaten path
B. hitchhike
C. go backpacking
D. lie around
Conjunctions › ViewHe is her fourth boyfriend this month. He knows that, ____ he doesn’t really care.
A. and
B. but
C. because
D. so
Vocabulary › View
______________ are ways that scientists perform investigations.
A. control
B. experiment
C. scientific methods
D. variable
