1 . He played an important______ in the play. (用适当的词填空)

2 . Did you get seasick during the________(航海)？（根据汉语意思填空）

3 . Mary and Jane are both my friends. The former is a doctor and the __________ teaches English in a middle school. (根据句意填空)

4 . ___________(青少年) up to 16 years old have some rights of the adult. （根据汉语意思填空）

5 . He visited me as__________(频繁地) as he used to. （根据汉语意思填空）

6 . I am________(担心) about what they will say. （根据汉语意思填空）

7 . A tourist _________ (走近) us and asked the way to Windsor Castle. （根据汉语意思填空）

8 . They__________ (更愿) to walk home rather than take a bus. （根据汉语意思填空）

9 . Could you give a full __________ (解释) for your absence from the meeting. （根据汉语意思填空）

10 . The athletes will _______ (代表) Jordan in this year’s Special Olimpics. （根据汉语意思填空）