___ convenient it is to live in China!
Yes， we've got WeChat， shared bikes， Alipay， etc．（ ）
A．What aB．WhatC．How aD．How
Speak aloud，please! I can ________ hear you．（ ）
A．usuallyB．almostC．hardlyD．nearly
When I walked past the park，I saw some old people Chinese Taiji．（ ）
A．doB．didC．doingD．are doing
Which of the following signs means"You can't feed the animals"？（ ）
A．
B．
C．
D．
It's too hot today．
Yes． Why don't you your jacket？（ ）
A．put onB．put upC．take offD．take after
Students in our school ________ know shouting is not allowed in the library．（ ）
A．canB．mayC．mustD．need