-—Excuse me, my sweeping robot doesn't work.
—Let me have a look, Madam. ______
A.It's out of date. B.It needs repairing. C.It's sold out D.It's in danger.
—Amy, your pronunciation is so beautiful now. How do you make it?
—Thanks. Just as the saying goes,”_____.”
A. Each dog has its day B. Many hands make light work
C. Practice makes perfect D. The grass is always greener on the other side
-I wonder ______．
-I'm not sure，but I hope so．It has been dry for two months．
A.if it will rain tomorrow
B.why it doesn't rain
C.when the rain will stop
D.how long the rain will last
_______ exciting news it is! All the Covid-19 patients in Wuhan have returned home.
A.What an B.What C.How D.How an
Look at the flowers on both sides of the streets, They_________last month.
A. were planted B. are planted C. are planting D. were planting
Dr. Smith will never leave his parents ________ he is sure both of them are taken good care of.
A.since B.though C.if D.unless
