1.The rise in electricity costs has____our difficulties in c
3个回答

1.The rise in electricity costs has__D__our difficulties in carrying out the project.

A.added up

B.added up to

C.added

D.added to-------增加了- - -

2.The computer was used in teaching.As a result,not only___B__,but students became more interested in the lessons.

A.saved was teachers' energy

B.was teachers' energy saved-------否定词not开头,句子要倒装

C.teachers' energy was saved

D.was saved teachers' energy

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