Since Tom ______ downloaded a virus into his computer, hecan not open the file now.

The guide told us that he would organize some business men abroad＿＿＿next week. 

By the time I reach the age of sixty, I hope to be healthy enough to travel ___________ .

The waiting lists for a bed in a public elderly care home in Beijing have grown ________ long that some are saying it could take 100 years to get a position.

Yesterday evening when going to the cinema I frequented, I went in a wrong direction ___.