问题补充:
Make sure the gas is turned off after cooking, which would cause danger to our life.
A. somehow
B. meanwhile
C. otherwise
D. furthermore
答案:
A. somehow
B. meanwhile
(答案→)C. otherwise
D. furthermore
解析:考察副词词义辨析。A设法;B与此同时;C否则,要不然;D更加;句意:在做饭以后要确保煤气被关掉,要不然会导致我们的生命危险。根据句意说明上下文存在着转折关系,故C正确。