1故事类Passage1Thestudentswerehavingtheirchemistryclass
MissLi1(tell)themwhatwaterwaslike
Afterthat,sheaskedherstudents,“What2(be)water
”Noonespokeforafewminutes
MissLi3(ask)again,“Whydon'tyouanswermyquestion
Didn'tItellyouwhatwaterislike
”Justthenaboyputuphishandandsaid,“MissLi,youtoldusthatwaterhasnocolorandnosmell
Butwhere4(find)suchkindofwater
Thewaterintheriverbehindmyhouse5(become)blackandithasabadsmell
Ithinkit6(pollute)
”Mostofthestudentsagreedwithhim
“I'msorry
”saidtheteacher,“Ourwaterisgettingdirtieranddirtier
That'saproblem
Maybeit'stimeforustotakeactiontoprotectit
”【主旨大意】本文是一篇记叙文
讲述了李老师上化学课时问孩子们“水是什么
”好几分钟都没人回答这个问题
孩子们认为老师说的这种水找不到,因为水被污染了
wastelling【解析】从上句“Thestudentswerehavingtheirchemistryclass
'可知,孩子们正在上化学课,用的是过去进行时
因此这里也应该使用过去进行时,表示老师正在告诉孩子们水的知识