－I am sorry to step on your feet!
－_________ .
A. Good luck B. Don’t say that C. Never mind
There was an important meeting last night．Mr.Smith________to it．
| A．was invited |
| B．invited |
| C．is invited |
| D．invites |
—Your city looks beautiful！
—Yes．Lots of trees and grass________last year．
| A．are planted |
| B．have planted |
| C．were planting |
| D．were planted |
Who were the shoes with special heels invented________？
| A．with |
| B．of |
| C．for |
| D．by |
—A number of students________in the dining hall．
—Let me count．The number of the students________about 400．
A．are；is
B．is；are
C．are；are
She put back the book she had taken________mistake．
| A．in |
| B．up |
| C．to |
| D．by |