I'm tired of cleaning the house．
Sweeping robots _____ more and more widely today． Why not buy one？（ ）
A．are usedB．were usedC．are usingD．used
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
Have you tasted baozza， a mixture of pizza and baozi？
Sure． Thousands of baozza________ at a baozi factory in Yangzhou each day next month．（ ）
A．will makeB．makes
C．was madeD．will be made
No matter how far you have gone down the wrong road，________．（ ）
A．turn backB．turn offC．turn outD．turn over