This field of scientific research remains________.
#12596
A
to be untouching
B
being touched
C
to be untouched
D
untouched
推荐题目
It is______that my new classmates are_____helpful.
#10917
A
sure; very
B
right; rather
C
exact; fairly
D
certain; quite
Mr. Smith __________ the accident,but his wife died and he __________ her by five years.
#10669
A
survived from;survived
B
survived of;lived
C
survived;survived
D
survived;lived