David apologized for _______to inform me of the change in the plan.
A．his being not able B．him not to be able
C．his not being able D．him to be not able
Jackson returned to Seattle for a while, ______ to Canada, and worked a few jobs there before heading for New York .
A．moving B．moved C．being moved D．having moved
We were swimming in the lake _____ suddenly the storm started.
A．when B．while C．until D．before
That is the only way we can imagine _______ the overuse of water in students’ bathrooms.
A．reducing B．to reduce C．reduced D．reduce
Some 200 people were reported ______ in the earthquake which happened in Sichuan last month.
A．were killed B．to be killed C．killing D．to have been killed
The children in some remote areas are looking forward ______ a chance to receive further education.
A．for getting B．to getting C．to get D．of getting
