—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 be B.not being C.not to be
—How can I avoid the illness, Sir?
—__________ a mask when going out and wash hands with soap.
A.Wears B.Wear C.To wear
—Our city, Shaoyang, is getting cleaner and cleaner day by day.
—Yeah. We __________a national modern, cvilied hygiene（文明卫生）city.
A.create B.are creating C.created
—Don't forget to protect your eyes well__________ you take online classes.
—OK. Thank you, Sir.
A.if B.though C.as if
—A new airport will be buit in Tantou, Longhui.
—Good news! But a lot of good farmland __________.
A.will waste B.may be wasted C.has wasted
