(届重庆市南开中学高三二诊模拟)Hurry up,or by the time we __________ at the cinema,the film will ha ve begun.
These diagrams are especially helpful when we have a concrete problem ________ at hand.
At last, we found ourselves at the foot of a hill with trees providing shade and ________ down to eat our picnic lunch.
Launched in March 2010, China Face has been a daily news feature ________ on a Chinese individual.
We entered the café and sat down by the window, waiting ________.
With so many exercises ________, the students are having a hard time.