This is ___________story of friendship.Let's read _________ story together.（ ）
A．a；anB．an；theC．an；aD．a；the
I have _______ dog． His name is Floppy．（ ）
A．aB．anC．theD．/
Please the computer， Lily． It's time for you to go to bed． （ ）
A．turn offB．turn upC．turn on
There are a few towers in Zhuzhou， and the TV tower near the Yandi square is the ．（ ）
A．tallB．tallerC．tallest
______he was poor himself， he tried his best to help the people in need．（ ）
A．BecauseB．ThoughC．After
The last BeiDou navigation satellite （北斗卫星导航） successfully last month．（ ）
A．was sent upB．sent up
C．has sent up