Principal White has been working in the school for about 20 years, all his energy to teaching and researching as well as the running of a healthy school．
#102248
A
devoted
B
devoting
C
to devote
D
and devote
推荐题目
－Why does the river smell terrible?－Because large quantities of water______．
#100039
A
have been polluted
B
is being polluted
C
has been polluted
D
have polluted
Many couples feel lonely at home when their children to go to college.
#99327
A
grow up
B
have grown up
C
grew up
D
had grown up
—Haven't I told you that you should be home earlier?—Yes, but I________home earlier than I usually do.
#102343
A
was coming
B
will come
C
came
D
had come ．
--Why has he been staying at home these days? --He ___________ since a month ago.
#104803
A
has been out of work
B
was out of work
C
has lost his work
D
had left from his work