Her parents’ quarrelling with each other _________ is the main cause of her family’s breaking up.

My brother’s never been late for school up till now,________

________ she ________ an e-mail to her pen pal yesterday evening— No, she studied for the exam.

The boy standing Tina is too tall ,so she can’t see the picture on the wall．

This is trip to Beijing. I hope we’ll enjoy the trip.