A.i₁+i₂+i₃+i₄+i₅=0
B.i₁-i₂+i₃-i₄+i₅=0
C.-i₁+i₂-i₃+i₄-i₅=0
D.i₂+i₄=i₁+i₃+i₅
A. I finished
B.I would finish
C.I have finished
D.I would have finished
—___.
A、So am I
B、So did I
C、So do I
D、So I do
A.Didn’t I tell you?
B.Did I say it right?
C.Is what I said right?
D.What did I say?
A.I hate sports
B.I don‟t care for music
C.I like dancing
D.Yes, I have a hobby.
A.I(v+m) =Ⅱc
B. I(c+v+m) =I c+Ⅱc
C. Ⅱ(c+v+m) =I(v+m)+Ⅱ(v+m)
D. I(v+△v+m/c) =Ⅱ(c+△c)