It was __________ opportunity to miss.
A. too good an
B. a too good
C. good too an
D. too good a
查看答案
A little __________ is a dangerous thing.
A. knowing
B. study
C. learning
D. information
Teachers are not supposed to have __________, but they always do.
A. shortcomings
B. odds
C. favorites
D. heroism
Once she starts a book, she always finishes it, even if it's really __________ .
A. boring
B. amazing
C. bored
D. amazed
The __________ of new working practices has greatly improved productivity (生产率).
A. qualification
B. entrance
C. introduction
D. variation