28．--Which is the ________ river in China?

--The Yellow River．

A．second longer       B．second long              C．second longest       D．longest

27．--When the hero was ________，he was killed by his enemy．

--What a pity．

A．in his fifty         B．on his fifty       C．on his fifties         D．in his fifties

26．At last all the enemy was ________ by the PLA．

A．passed away        B．killed out          C．wiped out           D．set up

25．I don't think he is fight，________?

A．isn't he             B．is he             C．do I                   D．don't I

24．Could you tell me ________ the radio without any help?

A．how did he mend                                    B．what did he mend

C．what he mended                                      D．how he mended

23．He said that he ________ speak a little English when he was seven．

A．might             B．would               C．could              D．can

22．Confucius was a great man ________ sayings are still famous．

A．which           B．whose            C．what              D．who

21．Neither he nor his brother ________ the film．

A．has seen           B．have seen           C．see               D．had seen

20．If you are weak ________ a subject，________ and asking a teacher for advice can help．

A．at；working hard                                     B．in；work hard

C．at；work hard                                          D．in；working hard

19．--Do you think it will do us good or harm?

-- ________．Let's beg for God' s help．

A．It's hard to say       B．I'm sure           C．It's impossible         D．You are right