We are considering the students’ request _________ theschool canteen should provide more kinds of food especially during the weekends

Was it by cutting down staff ________ she saved the firm?—No，it was by improving work efficiency. (2012·上海，37)

According to the present economical ______, it is important to safeguard the regional growth and stability.

do you go to the Pizza Hut with your family — Oh, about once a month.

下列划线的词语读音完全正确的一项是