—This is my sister Ann. 一Is______a student? A.she B.he C.her
---I’m going to Sanya for my holiday tomorrow. —_______
---Jack,there’ll be a party next Sunday.---________ .
---Who wrote the book?---_______.but the book is interesting.
_______have you been to Tianjin?---Twice.
There are ______visitors in Hangzhou every year.