The new suspension bridge __________ by the end of last month.
| A．has been designed | B．had been designed |
| C．was designed | D．would be designed |
Reading provides quiet, peaceful time alone and can be a good _______ from your busy life.
| A．shelter | B．escape | C．absence | D．departure |
Don't pretend ________ when you don't.
| A．knowing | B．know | C．to know | D．to knowing |
There are forty-five students _______ in our class.
| A．about | B．or so | C．around | D．so |
—By the way，have you moved into the new house?
—Not yet．The walls ________．
| A．were painted | B．are being painted | C．are painted | D．are painting |
It is reported that the floods have left about ________ people homeless．
| A．two thousand | B．two thousands | C．two thousands | D．two thousands of |