The development of the city's industry __________ its environment pollution.
| A．has added up |
| B．has added to |
| C．has added up to |
| D．was added to |
School kids take part in parades on campus on Halloween, ___________ in colorful costumes, after which there is a small party inside the classroom.
| A．dressing | B．dressed |
| C．being dressed | D．dress |
It seems ___________ the poor guy is going to die of ___________.
| A．that; scare | B．as though; fright |
| C．as if; frighten | D．that; scared |
As the clock struck nine, players ___________ their positions and the match began.
| A．stood up | B．took up |
| C．made up | D．set up |
--- Do you remember when I first met you?
---- Of course. I ___________ at Oxford University.
| A．studied | B．had studied |
| C．have studied | D．was studying |
I was nervous but pretended not __________, in order to leave a nice first impression on the interviewer.
| A．to be | B．be | C．being | D．been |