【31】A．spendingB．planningC．financingD．saving

[A] spending [B] planning [C] financing [D] saving

A．repaidB．depositedC．foundD．saved

In which of the following aspects has the event had support？A．Saving energy.B．Saving water

【C4】A．labour－savingB．time－savingC．energy－savingD．money－saving

53._________A. consideringB. planningC. hopingD.

52._________A. repaidB. depositedC..foundD..saved