23．________ he is not rich, Mr. Wang still gives away a lot of money to the Project Hope．

A．If                         B．Once               C．Even though        D．When

22．Can you guess ________ the population of China will be in ten years?

A．how much         B．how many          C．how                 D．what

21．Where ________ you ________? I haven't seen you for a long time．

A．have ; gone           B．did ; go            C．have ; been           D．will; go

20．What did the students get for the rubbish?

A．Some paper．               B．Some money．                C．Some clothes．

从每小题A、B、C、D中选出一个能填入句中空白处的最佳答案。

19．Which color boxes were for newspapers?

A．The yellow ones．           B．The red ones．                    C．The green ones．

18．Where did they put the rubbish?

A．In the cases．               B．In the street．                   C．In the boxes．

17．Did the class decide to set up their own recycling center?

A．No, they didn't．             B．Yes, they did．                 C．Yes, it did．

16．Using old paper and bottles to make new things is called recycling, isn't it?

A．Yes, it is．                 B．No, it isn't．                  C．That's right:

15．When will Ruth start to work?

A．Tomorrow．                   B．The day after tomorrow．     C．Next week．

四）听短文，选择正确答案。（5分）

14．How much will she make a week?

A．6 dollars．                 B．100 dollars．                    C．120 dollars．