1 . The key to success as a romantic _______(novel) is absolute belief in your story. (所给词的适当形式填空)

2 . When the wheel got _____(stick) in the mud, he tried his best to push the cart out with his shoulder. (所给词的适当形式填空)

3 . The People’s Republic of China, _____(found) in1949, plans to extend its high-speed railway network, already the world's biggest, by adding 2,000 km of new lines in 2020. (所给词的适当形式填空)

4 . The _____(politics) will meet with reporters to talk about matters of common concern. (所给词的适当形式填空)

5 . Water can absorb and give off a lot of heat without big changes in temperature, thus _____(create) a stable environment. (所给词的适当形式填空)

6 . We should find out that the US government’s attempt to use tariffs (关税) as a tool _____ (extract) negotiating favors. (所给词的适当形式填空)

7 . People use ________ (science) terms with no clear idea of their meaning. (所给词的适当形式填空)

8 . You were right to do what you did under the ________ (circumstance). (所给词的适当形式填空)

9 . The captain ________ (chart) this area out and it was quite safe to sail in it. (所给词的适当形式填空)

10 . It is worthwhile ________ (sum) up the experience and characteristics of Macao in faithfully implementing “one country, two systems”. (所给词的适当形式填空)