He can"t be ill, ______ he wouldn"t have come.
A: however
B: or
C: though
D: and
A: however
B: or
C: though
D: and
举一反三
- _____ that he wasn't able to come. I wouldn't have sent him the invitation letter.
- he was seriously ill,I wouldn’t have told him the truth.
- He （） ill, so he （） able to go skating tomorrow. A: is; won’t be B: is; wouldn’t be C: was; won’t be
- He was busy, ______, he couldn't come. A: therefore B: however C: while D: whereas
- He has been so hard working. He ___ failed in the exam. A: couldn't have B: wouldn't have C: mustn't have