If the students don’t understand what their teacher is talking about, he/she hasn’t _________his/her meaning_____________.
--- It was not until she had arrived home _________ her appointment with the doctor.
The father as well as his three children________ skating on the frozen river every Sunday afternoon.
My sister______ the League last month and she has decided to ______ the activity to help the aged next week.
Eric received training in computer for one year, _______ he found a job in a big company.
______ is know to us all, good friends ______ happiness and value to our life.