—We have a tight schedule, so you mustn't __________ staring at the ceiling. —No, I won't.
I lost my wallet last week, but ____ it didn’t contain much money at that time.
The expo will be held in Shanghai, _____a lot of advanced technology will be shown for the first time.
In some countries, demand for graduates from MBA courses has ____
In China, a good many traditional customs have____.
Our .English teacher is our favorite. She’s kind and humorous, but____, she is strict with us.