I'll spend as much time as I can ________in an old people's home.( )
A.helpB.to helpC.helping
is necessary for us to wash hands when we are back home.( )
A.ItB.ThatC.This
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