16．Blanks 21 through 24 are based on the following conversation．
Complete the message．Write THREE WORDS for each answer．
| What does the woman think the world will be like in 50 years？ | There won't be enough（21）略for people to live comfortably． |
| What's the woman's prediction of the oil price？ | It will （22）略 every year from now on． |
| How will the government handle the situation？ | By improving the（23）略． |
| What's the woman's suggestion to the man？ | She suggests him riding a bicycle to work or （24）略with others． |
15．Blanks 17 through 20 are based on the following conversation．
Complete the message．Write ONE WORD for each answer．
| Appointment Name：（17）略Burns Phone number：（18）略 Time：2：45 p．m． Special circumstances：Just came back from （19）略． Symptoms：Gaining weight Feeling tired Feeling sick to the（20）略 Vomiting in the mornings |
13．Blanks 21 through 24 are based on the following conversation．
Complete the form．Write NO MORE THAN THREE WORDS for each answer．
0 141953 141961 141967 141971 141977 141979 141983 141989 141991 141997 142003 142007 142009 142013 142019 142021 142027 142031 142033 142037 142039 142043 142045 142047 142048 142049 142051 142052 142053 142055 142057 142061 142063 142067 142069 142073 142079 142081 142087 142091 142093 142097 142103 142109 142111 142117 142121 142123 142129 142133 142139 142147 151629
| What does the man want to get？ | To get some information about holidays（21）略 |
| Where does the girl work？ | She works in a （22）略 |
| Why does the man refuse to go there？ | Because he prefers staying（23）略on holidays． |
| What will the man most probably do？ | He will （24）略 |