21. Weifang you see today is quite .different city from what it was 10 years ago
A.The;a B./;a C.The;/ D.A;a
22.— Mum,I really think Dad should have a break and get relaxed.
—Yes.He too long.
A.read B.had read C.has been reading D.is reading
23.Living in a highly ,you definitely have to arm yourself with modern technology and skills.society
A.competitive B.fierce C.attractive D.sensitive