14.Only by this means _______ complete the task ahead of time .
The anti-government army ____the entrance with big stones in order to stop the government army marching in.
They are broading the bridge to _____the flow of traffic.
With a local guide _____the way,they had no trouble _____out of the forest.
Being afraid of making mistakes,the little boy ____answer his teacher’s question.
—Can I help you,sir?__Yes,please.I’d like a room with a _____for two nights, please.