Not until they left school ________ how much their teachers loved them and helped them. [ ]

The English program normally attracts 1,000 students a year, ______ half will be from abroad.

The demand that the law on gun ownership _____ be changed ___ is very strong.

The news of the newly-elected president’s coming to China for a visit was ______ on the radio just now.

Her work is often very hard and she gets very tired. The work is _____.