The local government should __ the respon-sibility to provide those poor children with equalopportunities to receive education. [ ]

TheideapuzzledmesomuchthatIstoppedforafewsecondstotryto________. [ ]

Zhengzhou was attacked by such a terrible sandstorm ________ few residents had ever experienced before

They are looking forward to _____________ to the lecture by the famous professor.

It will be my turn, I feel a little nervous.—_________. You can make it！