You have to keep on learning if you want to keep ______ with the development of modern science and technology.
——He looks very hot and dry.——So ____ if you had a temperature of 103.
____ children tend to prefer sweets to meat.
——I hear your aunt likes travel, music, clothes and fine food.——Oh, yeah, and music may have been ____ of her tastes.
____ the pressure from work, teachers have to deal with psychological problems caused by interpersonal relationship.
Before the war broke out, many people ____ possessions they could not take with them.