Only after my friend came ________.
| A．did the computer repair | B．he repaired the computer |
| C．was the computer repaired | D．the computer was repaired |
George couldn't remember when he first met Mr.Anderson，but he was sure it was ________Sunday because everybody was at ________ church.
| A．/；the | B．the；/ | C．a；/ | D．/；a |
Scientists who study ________ noise say that ________ average noise level in New York is 72.5 decibels.
| A．/；the | B．/；an | C．the；an | D．a；the |
Susan's birthday party was ________success.We sang and danced until it came to ________ end at ten.
| A．a；the | B．a；an | C．/；an | D．the；the |
As is known to all，________life in ________ modern world is easier in some ways than ________ life our grandparents lived.
| A．the；a；the | B．a；the；the |
| C．/；the；the | D．the；/；the |
After the warmingup exercises, the teacher told us ________way of long jump and gave us________example.
| A．the；a | B．/；an | C．the；an | D．a；a |