请根据给出的图片选出正确的选项。( )(1)A. window B.book C.blackboard( )(2) A. door B.pen C.ruler ( )(3)A.book B.chair C.pencil
根据汉语意思选择正确的单词。 能源 A. fire B. energy C. water
April 22nd ____________ World Earth Day. A. are B. is C. was
Everybody should do something ____________ our planet. A. to save B. save C. saving
What ____________ we do to protect our environment? A. do B. shouldn't C. can
We can save water and ____________. A. energy B. energys C. energies