1.They didn't break the bad news to his mother _______ that she might break down.A.unless B.for C.because D.for fear 2.No matter _______ they added to their knowledge and abilities,the old professor was never satisfied.A.what many B.how many C.what m

1.They didn't break the bad news to his mother _______ that she might break down.A.unless B.for C.because D.for fear 2.No matter _______ they added to their knowledge and abilities,the old professor was never satisfied.A.what many B.how many C.what m they didn't know how they could do it.同义句they didn't know --------- --------- -----------it. they were ( )because they didn 't havethey were ( )because they didn 't have lunch They didn't c _____ their mind. they didn't go swimming___(too) They both didn't do their best. nobody knew it ,didn't they.改错 but they didn't notice rt 1.Few of them hurt themselves in the accident last night,__________?(A) don't they (B) didn't they 1.They were bery tired ,but they didn't __________ working.Can't you see the t______ sign?It says ... 连词成句 1.didn’t they the close windows连词成句 1.didn’t they the close windows all(.) They after running yesterday afternoon,didn't they?They 什么什么 after running yesterday afternoon，didn't they？ I didn't mean to break the grass.为什么mean后面要加to? Sam didn't want to break the window but he did中文意思 I didn't know who _(break)the window那个空里边填什么 改错：1.they didn't their homework yesterday 2.there is many water in the bottle they didn`t have ___ money 1.any 2.some 3.no they must have seen the film last week,didn't they?为什么要用didn't they呢?they must have seen the film last week,didn't they?为什么要用didn't they呢?