It's Mary's own fault if she feels ______ at the party — she makes no effort to be friendly to people.
It must have taken a long time to _______ all the facts of these old books.
In every communication, information ______ by gestures is always easy to misunderstand.
It’s difficult to ______ what the long-term effects of the accident will be.
—Where have you been? —I got caught in the traffic jam; ______ I’m here just on time.
There is a(n) _______ bus service into the center of town, which makes it much easier for farmers to go to sell their vegetables there.