Ifwe______,wecanrealizetheprogresswehavemade.
A. turn back
B.look back
C. answer back
D. move back
查看答案
The lovely ( )sits on her back.
A. ducklings
B. duckling
C. swans
the Chelsea Flower Show has a tradition___back 111 years.
A.dated
B.to date
C. dating
D. which is dated
Our city has a long history;the large building____in the front of our school____back to 1000 years ago.
A. stands;dating
B. standing;dates
I’m going shopping now.I()home soon.
A. return
B. will be back
C. come back
D. go back
微信支付 
支付宝支付