We communicate ____ each other in many ways，such as by e﹣mail or by phone．（ ）
| A． |
on |
B． |
through |
C． |
in |
D． |
with |
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
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