When people choose building materials, cost _____ often a determing factor.
举一反三
- While______(choose) building materials, cost is often a determining factor.
- Fitness for the intended purpose remains the prime criterion, but cost is often a determining factor.
- 3) What did people use for building materials before?
- An elevator is a labor-saving device helps people and materials to move up or down a building withgreat efficiency and safety. A: when B: which C: so that D: because
- The magnification factor is also known as _____ factor.