Boy, your head teacher has set up a WeChat group. Could you tell me ______?
OK. I'll teach you. It's so easy. ( )
A.how I join itB.why he sets it up
C.what it is used forD.when it was set up
Nobody taught the old lady how to use Wechat. She learned it all by ____.( )
A.sheB.herC.herselfD.hers
Fishing is one of ____ activities among the middle﹣aged people.( )
A.popularB.more popular
C.most popularD.the most popular
I think tea will taste better ____ some milk in it.( )
A.forB.withC.fromD.at
We are proud of our country. The year 2019 is her ____ birthday.( )
A.seventyB.the seventy
C.the seventiethD.seventieth
____ Great Wall is one of the seven wonders around the world.( )
A.TheB.AC.AnD./