23. ______ seems quite useless to try and help them.
A.That
B.What
C.The thing
D.It
A B C D
D
[解析] 本句的意思是:尽力帮助他们似乎是毫无作用的。代词It的用法题:It在句中为形式主语,真正的主语是不定式短语to try and help them。
24. His car broke down when he was only ______ home.
A.half way to
B.half way
C.a half way
D.half a way
A B C D
B
[解析] 本句的意思是:在回家的半路上他的车抛锚了。考查half的用法:英国英语表示“一半”的数量,一般用half an hour, half a dozen。美国英语则用a half hour。但本句中的way为不可数名词,所以不能用a来修饰。另home为副词,做后置定语修饰way,因此不能带to。
25. ______ the help of their group, we should not have succeeded.