He had no choice but to _________ an excuse to explain his being late.
The production___steadily,the factory needs an ever-increasing supply of raw materials
Surely her daughter’s big effort___her made her very pleased
Although the lecture had already been on for five minutes,I was still not able to find a chair___
—The last one___pays the meal —Agree!
The traffic problems have severely affected economic development,___we must spare no efforts to solve them