Thedog,iftrained____,willbemadeagoodwatch-dogoneday.
A: properly
B: hopefully
C: personally
D: usually
                    A: properly
B: hopefully
C: personally
D: usually
举一反三
- Thedog,iftrained_____,willbemadeagoodwatch-dogoneday. A: hopefully B: personally C: usually D: properly
 - It's usually necessary for you to dress properly for a formal dinner party.
 - Thedog()therabbitbutcouldnotcatchit. A: ceased B: chained C: checked D: chased
 - The dog, _____, will make a good watch dog. A: to train properly B: training properly C: properly to train D: trained properly
 - Thedog'scollarwasso()thatitcameoffoverhishead. A: loose B: slight C: broad D: excessive
 
