Great changes ______ in the past few years, and a lot of factories ________.
A．had taken place; have been set up B．have taken place; have been set up
C．took place; have set up D．were taken place; were set up
—What about going for a walk?
—______.
A．Go ahead, please B．Me, too C．Help yourself D．Good idea
______ with routine office tasks, she had no time to look after her children.
A．Occupying B．Occupied C．Being occupied D．To be occupied
The audience ______ to see who would win the gold medal.
A．took a deep breath B．held their breath
C．lost their breath D．was out of breath
Dr. Peter Spence, headmaster of the school, told us, “ fifth of pupils here go on to study at Oxford and Cambridge.”
A．/；A B．/；The C．the; The D．a; A
All children are required to ______ school.
A．attend B．go C．join D．take part in
