The policeman give us much _____ on how to protect personal information．（ ）
| A． |
tip |
B． |
reason |
C． |
advice |
D． |
suggestion. |
China is famous its long history．（ ）
A．atB．inC．for
Nowadays， Xiangtan is nice city to live in． （ ）
A．aB．anC．/
Could you tell me_____ in Wuhan， please？
Maybe last December．（ ）
A．when did Covid﹣19 （ 新冠肺炎） break out
B．when Covid﹣19 broke out
C．how often Covid﹣19 breaks out
When does the online class begin， Mrs．Grace？
At eight o'clock． Tell Cindy________late．（ ）
A．not beB．not beingC．not to be
How can I avoid the illness， Sir？
_______a mask when going out and wash hands with soap．（ ）
A．WearsB．WearC．To wear