We can't __________ to wait any longer or we'll miss the plane.
| A．offer |
| B．avoid |
| C．afford |
| D．spare |
Not only the workers but also the machine not there.
| A．are | B．were | C．is | D．has |
When and where this took place still unknown.
| A．are | B．were | C．is | D．has |
I know that all getting on well with her.
| A．was | B．is | C．are | D．were |
The rest of the novel very interesting.
| A．were | B．are | C．is | D．seem |
Most of his time in reading novels.
| A．are spent | B．is spent | C．were spent | D．was spending |