9.The teacher told the students 　　　(not talk) in class.　

8.In big cities,most private cars are not　　 (allow)in downtown.　

7.There are 　　　(thousand)of people in the mall on National Day.　

6.It is　　 to be very hot this afternoon.(suppose)　

5.There aren’t any　　 (beach)there.　

4.One day Li Yan was 　　　(visit)her aunt.　

3.Taiwan is one of 　　　(beautiful)islands in China.　

2.Hong Kong is a　　 (wonder)place for shopping.　

1.The people in China are really　　 (friend).　

6.I would like to sail　　　 the Pacific Ocean one day.　

A.through　　　　　　 B.cross　　　　　　　　　 C.into　　　　　　　　　 D.across

答案：D　通过江河湖海用across/cross,across 是介词表示从表面上经过，一般是指从一边到另一边，cross是动词，前面不能再加动词。