All the teachers and parents participate______ the students’ activities.
A: in
B: at
C: of
D: on
A: in
B: at
C: of
D: on
举一反三
- every year many .......... A: students B: students or their parents C: parents D: teachers
- Every year many ________ ask Bill Gates for advice about education. A: students B: students or their parents C: parents D: teachers
- Students or teachers can participate in excursions to lovely beaches around the island at regular ________.
- All in all, students should be encouraged to take part in activities.
- All the teachers and students are ____to attend it on time.