问题描述：
1.There are ( )students in our school and ( )the students is over 2000.
A.a number of ; the nunber of B.the number of; the number of C.a number of ;a number of D.a number of;the number of
2.Jack found a bag ( )on the road and picked it up .A.lie B.lying C.lain D.lies
3.You'll find it ( )if ( )if you work hard .A.easy B.difficult C.easily D.difficultly
4.Rose's teacher find ( )is a kind student.A.her B.hers C.she
A.a number of ; the nunber of B.the number of; the number of C.a number of ;a number of D.a number of;the number of
2.Jack found a bag ( )on the road and picked it up .A.lie B.lying C.lain D.lies
3.You'll find it ( )if ( )if you work hard .A.easy B.difficult C.easily D.difficultly
4.Rose's teacher find ( )is a kind student.A.her B.hers C.she
问题解答：
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