[ Modal Requests ]
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:
Simple Tenses › ViewAre the windows ___ by the janitor every day?
A. cleaning
B. cleaned
C. clean
D. cleans
Vocabulary and Grammar › View
Choose the past form: “Last week, I ___ my leg while skiing.”
A. broke
B. break
C. was breaking
D. breaks
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
