﹣Quite a few new laws and rules on food safety ______ into use last month.( )
﹣﹣Can you tell me what they are?
A.were puttingB.have been put
C.were putD.put
The Chinese scientist Tu Youyou won the 2015Nobel Prize.
Her has saved millions of lives across the world.( )
A.victoryB.storyC.discoveryD.industry
Whose is this book written by Yang Jiang?
Carol's favorite writer is Yang Jiang.It be hers.( )
A.mustn'tB.mustC.can'tD.can
To my surprise,my grandma suddenly asked me ________ get the"Red Packets"on QQ.( )
A.that she couldB.how she could
C.what could sheD.whether could she
Many teenagers ________ the old and they often offer their seats to them on buses.( )
A.depend onB.care forC.laugh atD.listen to
What's the meaning of the activity"Let's Save"?
Paper shouldn't ________ in everyday life.( )
A.wasteB.wastedC.be wastedD.is wasted