It is widely believed among bioengineers
题型:选择题
问题:
It is widely believed among bioengineers _____ it will be possible to create life under laboratory conditions.
A.which
B.what
C.that
D.when
It is widely believed among bioengineers _____ it will be possible to create life under laboratory conditions.
A.which
B.what
C.that
D.when