Look! There ___ some young children playing in the park.
查看答案
I am reading ___ interesting story.
A. an
B. a
C.the
There are two ___ in my pencil-box.
A.knife
B. knifes
C.knives
They have ___ on the hill.
A. apple trees
B.apples trees
C.apples trees
There ___ a great number of students over there. The number of the students___ five thousand.
A.are/is
B. are/are
C. is/are