29．The young soldier really doesn't know ________ to stop the baby from crying．

A．what to do　　　 　 B．how to do　　　 　 C．when to do　　 　　 D．where to do

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