25．The small country has a population of more than 56，980，000．(对划线部分提问)

______ the ______ ______ the small country？

24．The students had a wonderful time in the park．(改为反意疑问句)

The students had a wonderful time in the park，______ ______？

23．I don't believe she can work out the problem.(改为反意疑问句)

I don't believe she can work out the problem，______ ______？

22．Both he and I are going to the concert tonight.(改为否定句)

______ he ______ I ______ going to the concert tonight.

21．They were all saved by the clever cat.(改为主动语态)

The clever cat ______ all ______ ______ .

20．She gave me some French stamps this morning.(改为被动语态)

Some French stamps ______ ______ ______ me this morning.

19．My teacher told me to try it again．(对划线部分提问)

______ ______ your teacher tell you to ______？

18．We call maths the language of science．(改为被动语态)

Maths ______ ______ the language of science．

17．She usually comes to see her grandma once a week．(对划线部分提问)

______ ______ ______ she usually come to see her grandma？

16．The headmaster has been to New Zealand only once．(对划线部分提问)

______ ______ ______ has the headmaster been to New Zealand？