1.Her sister hasn’t come back..So her parents look __(real) worried.
2.The girl was so __(frighten) that she couldn’t move.
3.The Englishman spoke __(slow) enough for me to understand.
4.She thought the young man was a queue __(jump).
5.There are a lot of patients in the __(wait) room.
6.The three __(visit) came to my house last Sunday.
7.The little boy felt a little __(worry).
8.My uncle is a very good __(surf).
9.I have been to the Great Wall __(two).
10.Every year, water sports, __(espeacial) surfing attract a large number of __(tour) to the island.
写一下每道题的答案和相关的语法和思路