The students have just 【completed 】their course.A

听力原文：（A) The girls may have just finished their shopping. （B) It is probably winter no

The Browns______their breakfast when an old woman came to the door.A．just have hadB．have j

Some of the students in this class seem （) to help those who have difficulties in their studies.

The students have just completed their co

The root cause of many gifted students having bad memories of their school years is that _

The students______ their papers by the end of this month.A.will have finishedB.have been f