was so serious a matter that i had no choice but_____the police为什么不可以选择calling in 而要选择to call in我英语不好啊谁能帮我解释一下,

That was ___that i had no choice but to call the policeA:such serious a matterB:so serious matterc:such a serious matterD:so a serious matter选哪个?为什么?（我现在正在初学英语, That was _______ matter that I had no choice but to talk it over with my parents.A.a such seriousC.such serious a D.so serious a xiexieI was driven by a ____ to learn and determined to be ahead of my classmates .A．desire B．wish C．hope D．expect Now we realize _____problem of pollution is.A．so serious a B．how serious the C．such serious a D．what serious It was the (1).The museum is not___it was ten years ago.A.that B.when C.which D.what(2).Now we can see___problem the population is.A.a what serious B.such serious a C.how serious a D.so a serious(3).She seemed to be more anxious than i___the job done.A.to get B Now everybody has seen ＿＿problem pollution isA.what serious a B.how serious a C.too serious a D.so serious a 英语题49~~!Last year we had no rain for weeks _________, so there was a serious drought.A.in endB.on endC.at endD.by end That was so serious a matter that I had no choice but ___ the police.A.called in B.calling in C.call in D.to call in that was so serious a matter that i had no chioce but to call in the police分析一下句子结构吧but在这里是连词? Why so serious why so serious Why so serious 求指导 that was so serious a matter that I had no choice butthat was so serious a matter that I had no choice but _____the policeA） called in B）calling in C）call in D）to call inA错在哪里 前面不都是 was had 这样的词吗 so why so serious是什么意思 Her uncle was ＿(serious) hurt in a traffic accident. A serious accident ( ) her and she was badly hurt John was___ ill when he was a child.(serious) He was ____ injured in a trattic accident.(serious) Facing the accident,he thought it was so serious a matter that he had no choice but( ) the pFacing the accident,he thought it was so serious a matter that he had no choice but( ) the police.A.called in B.calling in C.call in D.to call in