[ 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:
Tenses › ViewWhen it was time to go home, we decided to take a taxi because we _________ too many beers.
A. were drinking
B. had been drinking
C. had drunk
D. drank
Grammar › View
If David —- (get) a good grade from his English presentation, I will take him to the movie theater.
A. got
B. has got
C. gets
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.