下列语句中,加点词语使用恰当的一项是（ ）

e me, but may I have access to the Wi‑Fi here I’d like to take some photos of the delicious food and update my microblog.—- . Here is the key to it.

Does Mary know ____—Yes, she knows ____.

(2013·浙江金华三校考前模拟)________ clearly ________ nothing to do, the soldiers left the village the next day.

Many people have applied for a job with our company, but we only have one or two ______ positions at the moment.