单项选择题
A．entirely B．wholly C．completely D．integrate
Most environmental problems exist because adequate meas...
单项选择题Most environmental problems exist because adequate measures for preventing them ______taken in the past.
I have no objection ______ the evening with them.A．to s...
单项选择题I have no objection ______ the evening with them.
My dog has never, ______ anyone, except when provoked.A...
单项选择题My dog has never, ______ anyone, except when provoked.
