Children_________ to difficult situations are better at handling those _________ tasks.

____ money, the parents of the twins managed tosend them to university.

The number of the students _______ 1200. Anumber of students _______absent （缺席）yesterday.

What can we do to ______ bird flu (禽流感) from spreading—Try not to buy or eat the chicken that has not been checked.

Do you prefer _______