Always surrounded by honors, praises and gifts, young kids nowadays are easy to suffer psychological problems when things _____ them.
The question _____ at tomorrow’s meeting is of great importance.
Not until she arrived home _____ that her wallet had been stolen.
—Hi, Tom, Any idea where Jane is? — She __ in the classroom. I saw her there just now.
He’s got himself into a dangerous situation _____ he is likely to lose control over the plane.
Great changes ____________ in my hometown in the past few years. A have taken place. B. took place C. have been happened D. were taken place