单项选择题
A．will be a great benefit to lumber companies B．make extra-good lumber for buildings C．will probably be weak because of their fast growth D．may be defenseless to many insects and diseases
A．self-confident B．reliable C．curious D．successful
A. I prefer the leather one B. What do you like C. It looks warmer D. clerk E. It sounds nice F. price tag G. to try it on H. Which one do you like better