Make sure the gas is turned off after a bath, which would _______ cause danger.

1. A.
   somehow
2. B.
   meanwhile
3. C.
   otherwise
4. D.
   furthermore

Make sure to turn off the gas after you take a bath, which would ___ cause danger.

Make sure the gas is turned off after a bath, which would ________ cause danger.

Make sure the gas is turned off after cooking, which would        cause danger to our life.

Make sure the gas is turned off after cooking, which would        cause danger to our life.

A．somehow         B．meanwhile         C．otherwise         D．furthermore