30The subway __________in our city, and I’m sure there will be fewer traffic jams in the future

.My uncle hasn’t been able to quit smoking, but at least he has ______.

Do not ________ late when you go out with your friends, or your parents will worry about you.

I can be a teacher. I’m not a very patient person.

gh Jane agrees with me on most points,there was one on which she was unwilling to _______.