模板及支架应具有足够的（）
A、刚度
B、强度
C、稳定性
D、密闭性
E、湿度
参考答案：A, B, C
What do you think of shopping this Sunday morning? [ ]
A. go
B. to go
C. going
D. went
Could you give me a hand __________from the car, please?
A．to carry the shopping
B．for carrying the shopping
C．and carrying the shopping
D．carrying the shopping
