Therearesomewarningsinsomecountries
來源:國語幫 5.22K
問題詳情:
There are some warnings in some countries __________ overexploitation of underground water
has caused the decline of wetland and the increase of desertification.
A. which
B. that
C. where
D. what
【回答】
D
知識點:複合句
題型:選擇題