I find the lecture I attended in the Nanjing Normal University yesterday difficult _____.
— I went to the beach and got plenty of rest. — ________ . You looked tired last time I saw you.
Don’t leave the water ________ while you brush your teeth.
Our teacher looked here and there on our playground ________ looking for something.
________to the man’s timely coming,the________boy was saved.
—Mr Black,what about my application?—Oh,I regret________you that it hasn’t been successful.