play an （increase） important role in __括号里要用副词还是形容词还是两样皆可.请简要说下其中的语法结构

play an （increase） important role in __括号里要用副词还是形容词还是两样皆可.请简要说下其中的语法结构 an increase是什么意思? I play basketball on Sundays I play football once a week 怎么提问 I play it for half an hour play an （important） role /part in resulting in an increase in inflation 这个词组,increase是名词吗 用an定冠词RT This deforestation is caused by an increase in agriculture.increase 前为什么有 an I sometimes play basketball for half an hour同义句改half an hour 为空空 转换I play football for one or two hours every day.I play football for an ( ) ( ) ( )every day 转换句子I play football for one or two hours every day.I play football for an ( ) ( ) ( )every day I can sing an Eglish song.(改为一般疑问句,并作肯定回答)Helen can play chess.(改为一般疑问句,并作肯定回答) I play the piano well.(用Amy代替I,改写句子） I play 造句I play . I play soccer after school.（对play soccer提问） 1.Did you break Tony's toy car____?Yes,but I did it____.A.at play;on purpose B.at play;by accident C.in play;by mistake D.in play;for fun2.The farmers aim to____the production by 10% this year.I belive______they can make it.A.increase;that B.rise;/C. play an importance 英语翻译we should give play to the connecting and guiding role of cultrue,increase exchanges among countries,fields,social classes and religions,with an aim to realize comprehensive exchanges and cooperation among these countries. (人教版)2011~2012学年度七年级第一学期期末考试英语试卷答案第一题是I play sports.I often（经常）play——soccer with my friends.A.a B.an C.the D./题分 I saw him ___ basketball with Jack an hour agoA plays B to play C played D play I ofen watch my little brother play （play） football after school这里为什么填play