I regret ___ that I can’t stay here any longer, but I’ll come back soon.
A.telling you
B.having told you
C.to tell you
D.to have told you
A.telling you
B.having told you
C.to tell you
D.to have told you
第3题
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
第6题
A. for
B. in
C. to
D. against
第7题
A. I finished
B.I would finish
C.I have finished
D.I would have finished
第8题
—___.
A、So am I
B、So did I
C、So do I
D、So I do
第9题
A.i = 0; while(i = 100) { cout i " "; }
B.for(i = 0; i 100; i++ ) { cout i " "; }
C.for(i = 100; i = 1; i-- ) { cout i " "; }
D.i = 100; do { cout 0);
第10题
A.Didn’t I tell you?
B.Did I say it right?
C.Is what I said right?
D.What did I say?
第11题
A.check
B.examine