_____ you busy today?
A: Do
B: Are
C: Can
D: Is
                    A: Do
B: Are
C: Can
D: Is
举一反三
- Can you __________ me a favor if you’re not too busy? A: have B: do C: go D: see
 - What do you think _____ solve the problem? A: you can do B: can you do C: do can do to D: can you do to
 - Well,<br/>you can do today for me ____ I did for you in the old days. A: which B: that C: which<br/>that D: that<br/>which
 - My experience is that you mustn’t speak of________. A: that you can’t do B: which you can’t do C: what you can’t do D: you can’t do it
 - Only in this way _______catch up with your brothers. A: do you can B: can you C: you can D: you do can
 
