Question

students are not allowed to stay at the classroom

The rest of the students （ ）not allowed to leave the classroom at that time.
A are
B is
C was
D were

Answer 1

答案：D
解析：the rest of 表示”其余的；剩下的”,后面的是students,所以be动词应该用are或者were,再根据后面的at that time 在那时,be动词应该用were,所以正确答案是D.
更上一层楼!(⊙o⊙)