61．Not to use plastic bags will help a lot to       /pri’vent/white pollution

60．You can get any useful        /inf∂’mei∫∂n/ on the internet easily.

59．Can reading English every day help to i       my spoken English?

58．He is a waiter and he works in a big r      

57．How much does the elephant        /wei/

56．Look! There are so many people       /laii ŋ / on the grass.