It is one of the ______ towers ______ the world. (   )

A．tallest: in

B．tallest; on

C．tall; in

D．tall; on

按要求写出下列单词的正确形式。
1. let’ s ( 完全形式 ) ____________   2. should ( 否定式 ) ____________
3. we ( 宾格 ) ____________ 4. active ( 副词 ) ____________
5. young ( 比较级 ) ____________

Who is the ________ boy in your class? (    )

A．strong

B．stronger

C．strongest

用括号中所给单词的恰当形式补全句子。
【小题1】My hobby is _______ (collect) stamps.
【小题2】I _______ (buy) two storybooks last Sunday.
【小题3】Disneyland is the _______ (one) and the most famous theme park in the world.
【小题4】Singapore Flyer is the world’s _______ (large) flyer.
【小题5】There _______ (be) many interesting places there.

按要求写单词。
【小题1】heavy （比较级）__________
【小题2】smaller （反义词）__________
【小题3】thinner （原形）__________
【小题4】I （宾格）__________
【小题5】funny （比较级）__________
【小题6】tall （最高级）__________
【小题7】Mike （名词所有格）__________
【小题8】dinosaur （复数）__________
【小题9】shorter （反义词）__________ __________