The students in Grade 3 are busy revising __ their lessons A
The students in Grade 3 are busy revising __ their lessons A
The students in Grade 3 are busy the exam now.
The students are kept busy reviewing their lessons
( )The students are busy ___over their lessons.Agoing Bwith
the students are busy ()their homework
Students in Grade Nine are busy and (h ) have
( )The students are busy __ for the exam.
The students are busy with their homework 同义句转换
a lot of students are busy ------- their homework-----------
1.The number of the students in Grade one____40.A.is B.are C
are students in our grade.
The students in Grade 3 are busy____ the coming exam in June