选哪个,请给出原因.Having been attacked by terrorists,________.A.doctors came to their rescue B.the tall building collapsed C.an emergency measure was taken D.warnings were given to tourists.

选哪个,请给出原因.A.driving B.to drive C.drive D.having drivenWhy______your car in such heavy traffic when you can take the underground and save both time and money不选B，错了。 选哪个,请给出原因.A.having involved B.to be involved C.involving D.involvedThe judge made the final decision after listening to the opinions of each party_______. 选哪个?请给出原因.A.being fined B.to fine C.to be fined D.having been finedI heard that Ted had escaped_______because the policeman was his cousin. 选哪个,请给出原因.Having been attacked by terrorists,________.A.doctors came to their rescue B.the tall building collapsed C.an emergency measure was taken D.warnings were given to tourists. _many times,he finally understood it!A.Told B.Telling C.Having told D.Having bee..._many times,he finally understood it!A.Told B.Telling C.Having told D.Having been told!选哪个带上解释,分析成分! 选哪个,给出原因谢谢A.Taking my adviceB.Having taken my adviceC.If you take my adviceD.Take my advic_________and you troubles will be over. 选哪个,请说明原因, 植物细胞中线粒体和叶绿体中哪个CO2浓度高?请给出详细原因… 选哪个,请给出原因.A.used B.has been used C.using D.is usingThe computer,now______by millions of people,has changed the world 选哪个,请给出原因.A.in B.for C.on D.withThe temperature today is very low.It is quite cold______June in shanghai. 选哪个,请给出原因.A.proving B.proved C.was proved D.has been provedThe cause he had devoted himself to _______a perfect success. 选哪个,请给出原因.A.while B.whether C.what D.whichWe thought there were 5 students in the dining hall,_______,in fact,there were 40. 选哪个,请给出原因.A.near B.upon C.within D.aroundIt saves time in the kitchen to have things you use a lot _______easy reach. 选哪个,请给出原因.A.searching B.to search C.searched D.searchAfter hours________,their patience was rewarded and they found what they were looking for. 选哪个?请给出原因.A.leaving untreated B.leaving untreating C.left untreated D.left untreatingIf_______,the wound in your arm may become infected. bee是什么意思?我不知道bee是什么意思,请你们帮帮忙. ______for weeks ,she could drive the bus.A.To be trained B.Having trained C.To have trained D.Having bee trained 为什么选A 请给出正确答案,并解释原因.