The drilling in Antarctica dragged on slowly because of lack of money, equipment breakdowns, environmental ______ and severe cold.
— You seem to be interested in writing. — What? _______, I’m getting tired of it.
He sat at the desk, __________ a novel.
—Excuse me, sir, ________ —I’d like a cup of coffee and two pieces of bread.
____ were given to those foreigners who helped the country ___ independence from Britain.
He left ______ with my secretary that he would call again in the afternoon.He said he would keep ______.