---He seems to be a teacher.---______. He has been a teacher for 20 years.
#92310
A
So he does
B
So he is
C
So does he
D
So is he
推荐题目
There is ________ in population that a food shortage is caused.
#93512
A
so rapid an increase
B
such rapid an increase
C
such rapid increase
D
so a rapid increase
—I can’t imagine Phelps was caught smoking on campus!—_______．
#94139
A
Nor am I
B
So do I
C
Me, too
D
Me, neither
The research is so designed that once _____ nothing can be done to change it.
#95029
A
begins
B
having begun
C
beginning
D
begun