The house rent is expensive I’ve got about half the space I had at home and I’m paying_____here [ ]

There are some warnings in some countries ______ overexploitation of underground water has caused the decline of wetland andincrease of desertification.

____________ Tom __________ Mary speaks good Chinese, so they can communicate with these Chinese students very well.

The price of pork has not been kept under control asexpected, and _____ is more surprising is that the price has risen by 15% justin the past few months．

My TV has ________so I can’t watch it and Idon’t know how to kill time.