A low-carbon（低碳）lifestyle has an effect our daily life. More and more attention has been paid to energies these days.
#56632
A
in; save
B
in; saving
C
on; save
D
on; saving
推荐题目
— Why is your father so busy these days? — He is _________ for my grandfather’s _________ birthday party.
#53448
A
preparing; ninth
B
preparing; ninetieth
C
waiting; ninth
D
waiting; ninetieth
— Do you know what to her ?— Yes . She hurt herself while playing soccer yesterday .
#52272
A
wrote
B
happened
C
listened
D
talked