If it ____for the snow, we____ the mountainyesterday
If we had followed his plan, we could have done the job better with _______money and _______ people.
If we ______ more time and money, we could have visit many more places.
If we want to successfully express ourselves in English, we need ___________.
If we ______ , we can realize the progress we have made.
Then what if we allow _______ ?
We can go to work by different ways.If we live nearby our office, we can go there _______.If we live a little far from our office, we can go there__________.If we live too far from our office, we can go there ________.
We can say we’ll cross that bridge when we come to it if someone asks about ______.
We need a spirit of _____ if we are to overcome our difficulties.
We will make our speech silly if we ________.
If we _________ more time and money, we could have visited many more places.
If we continue to argue over minor points, we won’t get_____ near a solution.
If we ate more food containing fibre __________.
We are afraid we will miss the 5:30 train if we are delayed by ______.
No one can ___________ properly if they are deprived（夺去）of adequate sleep.
We won't go there if it ______ tomorrow.
We don't know if there is alimit_____________
In the second paragraph "if we take two unrelated people at random from the population "means" if we ______."
In the second paragraph "if we take two unrelated people at random from the population ..." means "if we ______."
Even if we have failed, we should______.
If we ________ our relations with that country, we’ll have to find another supplier of raw materials.
If we______everything ready by now, we______a terrible time tomorrow.
I don’t know if it _____ tomorrow.If it _____,we’ll go out for a picnic.
_____ is needed to say “Good morning” or “Hello” if we meet someone we know.
