How often does he go to the Swimming Club? —________.

I find _______ difficult to finish the work on time. We only have three hours left.

Can you drive a car? — No, I ________. I’m not old enough to get a license.

You have to leave now _________ you can catch the early bus．

Sometimes an ad can lead you to buy something you don’t need at all. “Sometimes”means______. [ ]