[ Modals ]
He ______ have failed to keep his promise.
A. can’t
B. is able to
C. should

Random Topics:
Modals - Reported Speech - ConditionalsWill or Going toSimple Present Continuous TenseNoun ClauseAdverbModals for DeductionApologizingUnreal ConditionalsPresent Perfect TenseVerb TenseOther quiz:
Tenses - Present and Past › ViewCanada__________ (provide) fish, furs, and other natural resources to the world since the 15th century.
A. has provided
B. is providing
C. provided
D. provides
Grammar › View
The way the acrobats jumped from one rope to another rope was extremely… .
A. entertained
B. entertaining
Modal Verb › ViewHe_____ have eaten all the cake because he was with me that day.
A. mustn’t
B. shouldn’t
C. won’t
D. couldn’t
Grammar › View
I ______ the accident while I______ for the bus.
A. was seeing / waited
B. saw / was waiting
C. was seeing / was waiting
D. saw / waited
