用所词的适当形式填空。

小题1: A large number of _____ (foreign) visit Guizhou province these years.

小题2:Thank goodness! The letter I looking forward to _____ (reach) me at last.

小题3: Hainan Island is a ______ (wonder) place to spend summer.

小题4: The dinner room must _____ (clean) three times a day.

小题5:My cousin is used to _______ (study) with his new friends in Australia.