--Mr. Li, I found a watch on the playground. --You should try to find out _________A. whose is the watch B. who is the owner of the watchC. whom does the watch belong to
--- Lily isn’t here today, What’s happened to her? ---She stays at home her illness.
--- Linda late for school. --- But she arrives on time at present.
. --- What’re you going to do to protect the environment? --- Plant trees on side of the river.
--- How ____ it is to see you again! --- Me, too.
---What do you think of Andy’s singing? --- No one does .