1. In order to save electricity, an ordinary 100-watt light bulb can be replaced by a(n) ________.
A. energy-saving bulb B. energy-save bulb C. saving energy bulb D. save-energy bulb
2. You should get a (n)________to make sure there are no cracks in the pipes.
A. plumber B. mechanic C. electrician D. consumer
3. ________you take the train instead of the bus? It’s faster and cheaper.
A. Why not B. Why don’t C. How about D. Let’s
4. If we ________less paper, we ________the number of trees in the forests.
A. used/ will save B. use/ can save C. can use/ save D. use/ can
5. She won’t take all the suitcases ________she likes to travel light.
A. so B. but C. because D. therefore
1. In order to save electricity, an ordinary 100-watt light bulb can be replaced by a(n) ________.
A. energy-saving bulb B. energy-save bulb C. saving energy bulb D. save-energy bulb
2. You should get a (n)________to make sure there are no cracks in the pipes.
A. plumber B. mechanic C. electrician D. consumer
3. ________you take the train instead of the bus? It’s faster and cheaper.
A. Why not B. Why don’t C. How about D. Let’s
4. If we ________less paper, we ________the number of trees in the forests.
A. used/ will save B. use/ can save C. can use/ save D. use/ can
5. She won’t take all the suitcases ________she likes to travel light.
A. so B. but C. because D. therefore
