13. It’s already 9 o’clock and Mother _____ step in any moment.
| A．probably | B．is possible | C．is likely to | D．is probable to |
The island where these rare birds nest has been declared a _____.
| A．observation | B．reservation | C．preservation | D．conservation |
Although John was the eldest in the family, he always let his sister _____ charge of the house.
| A．take | B．hold | C．make | D．get |
The child enjoyed _____ up the wooden bricks then knocking them down.
| A．adding | B．pushing | C．piling | D．forming |
John was very upset because he was _____ by the police with breaking the law.
| A．accused | B．arrested | C．sentenced | D．charged |
.It isn't quite _____ that he will be present at the meeting.
| A．sure | B．right | C．exact | D．certain |