Some researchers believe that there is no doubt ______a cure for AIDS will be found.
During next June and August he _________ in the field with his parents.
________makes this shop different is that it offers more personal services .
The owner of the cinema needed to make a lot of improvements and employ more people to keep it running, _______ meant spending tens of thousands of pounds.
His boss is going to be on vacation next week and the company will be left _______ him.
Both of his parents insisted that he _______ get on well with his lessons and that he ______ given more extra classes at weekends.