If you have any difficulty with this paper, you can _______ your notebooks.
| A．focus on | B．carry on | C．refer to | D．go with |
People were not allowed to enter the reading room because it .
| A．had been painted | B．was being painted |
| C．was painting | D．painted |
The teacher suggested English from time to time every day.
| A．having read | B．us to read | C．our reading | D．being read |
Occasions are quite rare ____ I have the time to spend a day with my kids.
| A．who | B．which | C．why | D．when |
Of the 9,500 drivers since the beginning of the year, 23% were found lacking road
knowledge.
| A．test | B．testing | C．tested | D．were tested |
It didn’t surprise us at all caused his success.
| A．why | B．that | C．how | D．what |