---What’s this? ---It’s ________.
| A．ruler | B．a ruler |
| C．the ruler | D．rulers |
——Who is knocking at the door?
——It ______ Mr. Black, because he_______Washington.
| A．can't be;has gone to | B．may be;has been to |
| C．must’t be;has gone to | D．may be;went |
In winter people usually keep flowers in their houses to ___them from the cold.
| A．produce | B．provide | C．protect | D．Plant |
—— I feel tired and sleepy. ——Why not _______?
| A．to stop to work | B．stop to have a rest |
| C．stop having a rest | D．to stop to have a rest |
The picture shows us _______ in Nanjing in the past.
| A．what everyday life was like | B．what was everyday life like |
| C．how everyday life was like | D．how was everyday life like |
―What colours can give you a happy and satisfied feeling?
―________.
| A．Blue and yellow | B．Orange and white | C．Orange and yellow | D．Red and yellow |