问题
选择题
Burning all the lights in the classroom will be a great______ on electric power.
A.waste
B.lack
C.drain
D.damage
答案
答案:C
drain “消耗”,常与介词on连用。A“浪费”,为不可数名词;B‘“缺少”;D“损坏,损害”。
Burning all the lights in the classroom will be a great______ on electric power.
A.waste
B.lack
C.drain
D.damage
答案:C
drain “消耗”,常与介词on连用。A“浪费”,为不可数名词;B‘“缺少”;D“损坏,损害”。