Running a company is not ______ a matter of hiring people---they also need to be trained.

The train stopped ______ at lonely little stations, which resulted in a sleepless night.

---- Do you think it's a good idea to make friends with your students? ---- _____ , I do．I think it's a great idea．

Mr. Brook didn’t come back at the usual time last night. ______, he met some friends and stayed out until midnight.

I can't make a decision now. I need _________ more time to think it over.