We have ______ our techniques considerably since the work began1.refined 2.confined 3.defined 4.redefined

We haven’t finished our homework ______. we don't have robots in our homes ______( to do / will do)many jobs 请说出原因 we will have some difficulty in our ______(study) We have classes this morning,______ ______?He has two apples,______ ______?He have hamburgers,______ ______?是用 haven't we 还是 don't we? we don't have done our homework 与 we have not done our homework的区别 We ( )have our school IDs .A.not have B.doesn't have C.don't have We have run out of our money.=Our money ______ ______ ______.后面是三个空。 Shall we have our picnic tomorrow?------it doesn't min. -shall we have our picnic tomorrow?-______ it diesn't matter.A.Until B.While C.Once D.If为什么不选C. We _______(not have)air conditioners in our old house,because we ______(save) energy. we have done our we have our in our store ,we have many T shirt we ()have lots of trousers and shorts 1.Without fact,we can't form a worthwhile opinion for we need to have factual knowledge ______ our thinking.A.which to base onB.which to be base onC.upon which to baseD.with which to base on2.We have all expreienced occasions ______ we have spoken ou 1.Without fact,we can't form a worthwhile opinion for we need to have factual knowledge ______ our thinking.A.which to base onB.which to be base onC.upon which to baseD.with which to base on2.We have all expreienced occasions ______ we have spoken ou 英语翻译We ______ ______ ______ keep our classroom ______. Let's do our best,______?A will B don't you C shall we D don't we there are many ______ (社团) in our school so we have great fun at school.