不合格的分项工程，经加固、补强、返工或整修后，当重新评定的评分值大于75分时，该分项工程可评为合格工程。
参考答案：对
Karin found some waste paper on the floor. She it and threw into the trash can. [ ]
A. put; up
B. picked; up
C. turned; up
D. looked; up
---Where_____ you _____ these days? I haven’t seen you long.
---To Britain. I left for London two months ago and returned last week .
A．do, go
B．will, go
C．have, gone
D．have, been
