take acoffee break, shall we–I wish I________, but I have a really tight schedule

They consider that vase to be a treasure, but in my opinion, it is just a ______ bottle.

When you are learning English, use it,________ you won’t make great progress.

Many of my students, __________ Zhang Hua and Li Yong, are working very hard, and we should learn from them

Parents must take good care of their children, _____ they?