Ⅰ. 用所给单词的适当形式填空
1. All the chiefs(chief) of the related countries will have an important meeting in the United Nations.
2. The boy was puzzled, not knowing how to answer the puzzling question. (puzzle)
3. The military power will be strengthened in defence(defend) of the safety of our homeland.
4. The behaviors of the children are often influenced by their surroundings(surround).
5. The achievements(achieve) in science and medicine have improved our life quality.
6. The scientist didn’t arrive at a conclusion until he found enough evidence(evident).
7. Knowing the famous professor will come, my classmates are waiting eagerly(eager) at the school gate.
8. Many people donated a lot of money and supplies generously(generous) to Wuhan when the serious illness broke out.
9. The greetings(greet) from the host and hostess made us feel at home.
10. The colorful lanterns in the streets are the most striking(strike) about the Lantern Festival.