Complete the sentences with proper forms of the words given.

(1) The actor and director__________(be)coming to give us a speech next weekend.

(2) The higher the mountain is,the_________(thin)the air is.

(3) We’ll have a surprise party for my parents’________(forty)birthday next Saturday.

(4) After so many _______(year) practice,Li Na is a well-known tennis player.

(5) Usually,shirts and ties________(give) to fathers as gifts on Father’s Day.