用所给词的适当形式填空。 1.A small number of the students____(take)the subway to school. 2."By sea"is another way of___(say)“by ship" 3.It takes ___(she)three hours to clean the room. 4.The number of the student___(be)3,000 this year. 5.It is not easy ____(drive)on such a rood.
take
saying
her
is
to drive
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2,3,5不明白
追答2. 做介词宾语时,dongciyong-ing形式
3.作动词takes 的宾语,要用代词宾格
5. 不定式做真正主语