1 I could not h_elp_____the teacher because she stood too far away.
2 You must be careful______when you are crossing the street.
3 I have two friends.Both_____of them are student.
4 There is nobody in the classroom.The classroom is empty________.
1 I could not h_elp_____the teacher because she stood too far away.
2 You must be careful______when you are crossing the street.
3 I have two friends.Both_____of them are student.
4 There is nobody in the classroom.The classroom is empty________.