【題目】It was quite ________ to let Peter pay for everything during the trip. (fair)

【題目】Something ________ (mention) about the special campaigns against crime(掃黑除惡運動) at yesterday’s meeting.

【題目】Nancy is an early bird. It was ________ (usual) for her to be late for school this morning.

【題目】—How much difficulty did you have ________ (solve) the problem?

【題目】The clerk in the bank was ________, she often gave the old some useful information. (help)

【題目】We know that it was a very hard ________, but we feel we made the right one. (decide)

【題目】The exciting news was ________ spread throughout the country. (wide)

【題目】It must be tiring to walk to the ________ floor. Why not take the lift instead? (twelve)

【題目】I met an old friend of ________ (they) in Jiangyan Museum last Sunday.

【題目】________ (fight) the virus, China has devoted great efforts to vaccine research and development(疫苗研發(fā)).