短文改错
此题要求改正所给短文中的错误。对标有题号的每一行作出判断：如无错误，在该行右边横线上画一个勾（√）；如有错误（每行只有一个错误），则改正：
注意：原行没有错的不要改。
Listening to foreign broadcast easier        1. _______
if we know something about. There are clues  2. _______
that can help us. One clue is the time of    3. _______
day. Morning programs usually contains many  4. _______
short items of news，informations，etc. The 5. _______
items are short because of most of us are    6. _______
getting ready to going to work in the        7. _______
Often we do not have time listen             8. _______
to long programs. There are time for more    9. _______
details about the subjects discuss           10. ______
in evening programs.