单项选择题
A．you will not feel ashamed B．you will feel ashamed C．you will gain your sense of achievement D．you will not gain your sense of achievement
A．Rome is not built in a day. B．No pains, no gains. C．Theory goes before practice. D．Practice makes perfect.
A．the sale of the film rolls B．the work in the darkroom C．photo restoration D．photo retouching