Television has become a major instrument of communication, _________ us to see as well as to hear all kinds of programmes.
A. to permit
B. permitted
C. being permitted
D. permitting
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The decision _________, what is to be done now is how to carry it out.
A. been made
B. has been made
C. having been made
D. having been making
I was overjoyed at the news of my hometown __________ so much progress.
A. to make
B. to have made
C. made
D. having made
The Red Cross ___________ help for refugees, over two million dollars have been raised.
A. appeals for
B. appealing for
C. appeals to
D. appealing to
__________ from a distance, the mountain looks like an elephant.
A. Having seen
B. Having been seen
C. Seeing
D. Seen