Many countries are now setting up national parks________animals and plants can be protected.
| A．when | B．which |
| C．whose | D．where |
If no one ___ the phone at home, ring me at work.
| A．returns | B．replies | C．answers | D．receives |
It was difficult to guess what her _____ to the news would be.
| A．impression | B．comment | C．reaction | D．opinion |
_____ the English examination I would have gone to the concert last Sunday.
| A．In spite of | B．But for | C．Because of | D．As for |
Your help is _____ for the success of the project.
| A．indispensable | B．indicative |
| C．inevitable | D．inherent |
When she heard from the hospital that her father had died, she _____ into tears.
| A．burst | B．went | C．exploded | D．fell |