This is the first time I ______, so I feel very curious about everything here.
#92826
A
have been to this city
B
had been to this city
C
came to this city
D
come to this city
推荐题目
__________ that these creatures are linked to a common ancestor.
#92501
A
As is believed
B
What is believed
C
That is believed
D
It is believed
We should think of ways to stop the waste from the factory _____ our living environment.
#94851
A
being polluted
B
polluting
C
from being polluted
D
polluted
We should pay close attention to safety in schools because of frequent reports about accidents ____ students got injured or killed while in school.
#93927
A
which
B
for which
C
in which
D
what
He felt _______ to remind the public to protect the environment.
#93974
A
his duty
B
that is his duty
C
it his duty
D
it is his duty