If the product does absorb moisture or ________ water, discard it

1_____there is no rain,farming is difficult or impossible

1_____education is the instruction that occurs when the instructor and students are separated by distance or time,or both

29．__________ when you are on the bus or bike．

Virginius would feel more or less guilty when he______.

Virginius would feel more or less guilty when he _____.

Believe it or not, when first (introduce) ____ to Europe, tomato was thought to be poisonous.

Don’t ______ that rope, or you might fall.

Project ______is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

It is generally considered unwise to give a child___( )_____ he or she wants.

It will be a relief over the death of a friend or a relative if the friend or relative dies from ______.

表达式(8+3＞36.OR..T..AND.“A”-“B”$“ABC”)的运算顺序是______。