Now all the e-bike riders in Ningbo________ (必须) wear helmets while riding.
Our school ________ (邀请) several heroes to the graduation ceremony last year.
Because of the COVID-19, only a few________ (市场) were open in our city last spring.
________ (无论什么) difficulties you meet, never give up easily.
"If you work hard, your exam score will________ (加倍) , "the teacher said to Jim.
Turn________ (向左) at the second crossing and you can find the bank.
