It is rather ______ that we still do not know how many species there are in the world today.
#59576
A
misleading
B
embarrassing
C
boring
D
demanding
推荐题目
Mary is ______ a translation of a French novel.
#59575
A
engaged with
B
busy in
C
absorbed to
D
occupied with
I think he is _____ to win, but I'm not sure.
#20872
A
possible
B
likely
C
impossible
D
certain