Lang Lang is ______ famous pianist．He plays ______ piano very well．（ ）
A．a，theB．the，theC．the，/D．a，/
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
China sent up the final satellite of Beidou Navigation satellite System （北斗卫星导航系统）from Xichang Satellite Center ______June 23，2020．（ ）
A．atB．inC．toD．on
Mum， I read a book about wild animals today． Some of them are in danger．
____． We shouldn’t buy fur coats any more．（ ）
A．It's a great pityB．It doesn’t matter
C．Never mindD．My pleasure
I can’t find you．
I don't know________ ， I’m on the left side of a tree．（ ）
A．who I amB．who am IC．where I amD．where am I