When ______ why he behaved that way at table，he made no reply．
| A．being asked | B．asked | C．asking | D．to ask |
The rare fish, ______ from the cooking pot, has been returned to the sea.
| A．saved | B．saving | C．to be saved | D．having saved |
More highways have been built in China, _____ it much easier for people to travel from one place to another.
| A．making | B．made | C．to make | D．having made |
To stay awake, he finished a cup of coffee and ordered ______.
| A．the other | B．other | C．the others | D．another |
Graduation is a good time to thank those who have helped you ______ the tough years.
| A．through | B．up | C．with | D．from |
One Friday, we were packing to leave for a weekend away ______my daughter heard cries for help.
| A．after | B．while | C．since | D．when |