The field research will take Joan and Pa
题型:选择题
问题:
The field research will take Joan and Paul about five months; it will be a long time we meet them again.[ ]
A. after
B. before
C. since
D. when
The field research will take Joan and Paul about five months; it will be a long time we meet them again.[ ]
A. after
B. before
C. since
D. when