At the routine office meeting, the headmaster insisted that the problems _______ paid special attention to.
#90590
A
referred to being
B
referred to be
C
refer to being
D
refer to be
推荐题目
______in a science competition, the three students were awarded scholarships totaling $ 21, 000.
#94044
A
To be judged the best
B
Judged the best
C
Having judged the best 
D
Judging the best
There are three eggs _______ by the hen_______ under the tree.
#96131
A
lied, laying
B
lay, lying
C
laid, lying
D
lain ,laying