He made a good preparation for the job interview, for he couldn't ________ losing the good opportunity.
The gas tank____________ twenty gallons of gas, but now it may____________ only three gallons.
--The two pairs of shoes are __________ the same colour. --But they are different __________ colour.
--Whose advice do you think I should take? --___________.
--Did you enjoy yourself yesterday? --Yes. As you saw , ________ party went on in____________ most pleasant atmosphere.
If human beings had been a bit less greedy and cruel, more birds and animals dying out.