When asked what they would volunteer to do, ________ said they were willing to do something they could.
| A．half of these | B．half of which |
| C．half of whom | D．half of them |
In my opinion, life in the twenty-first century is much easier than ____.
| A．what used to be | B．that it used to be |
| C．it used to be | D．what it used to be |
____ and we’ll get everything ready for the taking off.
| A．Have one more hour | B．If I have one hour more |
| C．Given one more hour | D．One more hour |
____ apple fell from the tree and hit him on ___ head.
| A．An; his | B．The; the | C．An; the | D．The; / |
Jane ______ a cold and was absent from school yesterday.
| A．came down with | B．rose up against |
| C．took control of | D．stood in the path of |
Animals suffered at the hands of Man ______ their homes were destroyed by people to make way for agricultural need to provide food for more people.
| A．in which | B．for which | C．so that | D．in that |