Over 10，000 runners joined a half and a mini marathons in Xianlin，Nanjing ________ May 7，2017．（ ）
A．inB．onC．atD．by
Hi， Daniel． You didn't attend the chess class last night．
Oh， I _____my son's model plane．（ ）
A．am repairingB．repair
C．have repairedD．was repairing
Have you asked_______ about the case？
No， except Bob．（ ）
A．everybodyB．anybodyC．nobodyD．somebody
I am proud that our Chinese survey team _____successfully remeasure Qomolangma （再测珠穆朗玛峰）， the world's highest peak．（ ）
A．mustB．canC．mayD．should
My parents gave red packets to my cousin every Spring Festival _______she got a job， because she said she was able to make money．（ ）
A．afterB．whenC．untilD．since
Peng Min finally became the winner of _____season of CCTV's Chinese Poetry Conference．（ ）
A．fiveB．fifthC．the fifthD．fifths