[ Modal Verbs ]
I’m afraid I ……… play tennis tomorrow. I’ve got a dentist appointment.
A. can
B. would not be able to
C. can’t
D. couldn’t

Random Topics:
Figure of SpeechModal Verbs of PermissionPrepositions of Place and TimePast ModalsKinds of NounsPast simple regular verbsConditional TensesComparativeWill or Going toPresent Perfect vs Past SimpleOther quiz:
Simple Past Tense › ViewLala … (prepare) the brekfast.
A. was
B. were
C. prepared
D. prepareed
Conjunction › View
My pen ran out, ____________ I have to finish the test!
A. so that
B. and
C. hence
D. besides
Subject-Verb Agreement › View“Safe” and “out” (is / are) two calls in baseball.
A. Is
B. Are
Future Tenses › View
Which sentence is correct?
A. He will not be attending the meeting tomorrow.
B. He won’t attend the meeting tomorrow.
C. He isn’t attending the meeting tomorrow.
D. He doesn’t attend the meeting tomorrow.