Mistakes don’t just happen; they occur for a reason. Find out the reason, and then making the mistake becomes _______.
| A．favourable | B．previous |
| C．essential | D．worthwhile |
—— ____ your clothes?
——No, mine _____ hanging over there.
| A．Is it, is | B．Are these, are |
| C．Is it, are | D．Are these, is |
In those days John with his classmates _____ kept busy preparing for the exam.
| A．is | B．are |
| C．was | D．were |
As I have a meeting at four, ten minutes _____ all that I can spare to talk with you.
| A．are | B．was | C．is | D．were |
The writer and singer ______ here.
| A．is | B．are | C．were | D．do |
. No teacher and no student ______．
| A．are admitted | B．is admitted |
| C．are admitting | D．is admitting |