— How do you deal with the disagreement between the company and the customers?— The key _____ the problem is to meet the demand _____ by the customers.
The way he did it was different ______we were used to .
Some researchers believe that there is no doubt ______ a cure for AIDS will be found.
The place _______ the bridge is supposed to be built should be________the cross-river traffic is the heaviest.
The shopkeeper did not want to sell for ________ he thought was not enough.
Danby left word with my secretary ________ he would call again in the afternoon.