4．听下面一段材料，回答第16～20小题．
16．How old was Tony when he started middle school？
A.12．
B.13．
C.14．
17．How did Tony go to school in the first year？
A．He ran to school．
B．He rode to school．
C．He took a bus to school．
18．Why did his parents buy him a computer？
A．He got good grades in all subject．
B．He won a race at a sports meeting．
C．He worked very hard at his lessons．
19．What happened after Tony got the computer？
A．He remained interested in sports．
B．He still got up early in the morning．
C．His grades were not so good as before．
20．How did Tony feel after hearing his mother's words？
A．Angry．
B．Happy．
C．Sorry．
