Teachers warn students that （) to computer games is dangerous.A、likingB、addictionC、prefe

Students or teachers can participate in excursion

Many teachers believe that the responsibilities for learning lie with the student.【61】a lo

Many teachers believe that the responsibilities for learning lie with the student.【21】____

Many teachers believe that the responsibilities for learning lie with the students.【C1】___

Many teachers believe that the responsibilities for learning lie with the student. (1)____

Many teachers believe that the responsibilities for learning lie with student. If a long reading ___