We the work on time without your help.
| A．hadn’t had finished |
| B．didn’t have finished |
| C．couldn’t have finished |
| D．can’t have finished |
My brother was playing with his friends in a wildlife park________she was bitten on the leg by a lion.
| A．when | B．while |
| C．since | D．once |
It had never________to him that he might be falling in love with her.
| A．taken place | B．occurred |
| C．come about | D．broken out |
Sometimes the police are not absolutely sure that someone has committed a crime，but________him of having done it.
| A．charge | B．suspect |
| C．inspect | D．doubt |
The photos on the wall________Grandma of those happy，old days when a large family lived together.
| A．repeat | B．remember |
| C．remind | D．retell |
One of the most important questions they had to consider wasof public health
| A．what | B．this | C．that | D．which |