1 . (2018·全国Ⅱ)Corn production has jumped nearly 125 percent over __________ past 25 years, while rice has increased only 7 percent.

2 . The Prime Minister has___________that public spending will be increased next year. (根据句意填空)

3 . The authorities________ whether to build a new car park. (根据句意填空)

4 . The police have___________an investigation into the incident. (根据句意填空)

5 . Sydney’s population___________rapidly in the 1960s. (根据句意填空)

6 . He___________himself and so saved his country. (根据句意填空)

7 . The building project will be___________by the government. (根据句意填空)

8 . Sam always tried hard to win his father’s___________. (根据句意填空)

9 . Many thousands _________from the new treatment.(根据句意填空)

10 . The theatre managed to _________ its audiences by cutting ticket prices. (根据句意填空)