一What do you think of the UNICEF?一Great. Its programs _______ thousands of children in Africa who would have otherwise died from lack of food or terrible diseases.
You can get to Hong Kong using different kinds of ________, by air, by sea or by land.
At the foot of the mountain _________ .
The young man was ________stealing possessions of his factory and put into prison.
Please keep us _________ of any change of address as soon as possible.
Not until he retired from teaching three years ago _________ having a holiday abroad.