—Do you think attending training courses is a great help when you look for a new job?—Well, it all depends. _____, it gives me more of a chance to try.

On foggy days, you have to drive very ________ on the expressway to avoid traffic accidents.

—How______do you attend the evening classes?—______,three times per week.

—You don't seem to be quite yourself today. What's wrong?—Oh, I'm suffering from a cold. Nothing serious,______

 ________ the machine begins to work, you can’t stop it _____.