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
A: when
B: which
C: so that
D: because
举一反三
- 14.In earthquake-affected countries, light building materials are used because _____. A: people there can move more easily B: the houses won't hurt people in an earthquake C: less damage will be caused in an earthquake D: people will not be affected by the earthquake
- When people choose building materials, cost _____ often a determing factor.
- I’m so angry because he didn't________ . A: Turn up B: turn down C: give up D: show up
- Our company will move to a tall building _______ has just been complete. A: which B: when C: how D: where
- Our company will move to a tall building _______ we bought last month. A: which B: when C: how D: where