Many people believe that ______ will tak
题型:选择题
问题:
Many people believe that ______ will take years to develop a car that does not pollute the air. [ ]
A. it
B. that
C. there
D. this
Many people believe that ______ will take years to develop a car that does not pollute the air. [ ]
A. it
B. that
C. there
D. this