Is it on September 1st _____ students come back to school every year ?
.They climbed to the top of the tower, ________they could see what was happening in the distance.
.—Did you have a good time yesterday, Jane? ─Yes, as you know, ________ party went on in ________most pleasant atmosphere.
.With a big family ________, the couple are living a hard life.
.—________is it ________ had made our headteacher that angry? — Six of us being late this morning.
.Many old Chinese people have the concept of ________ some money for their future use.