On Saturdays, students are very proud to be on the street to guide passers-by to obey traffic rules.
.I would be very glad to help, ___ I’m going away on business.
38.The task is hard, ___, the workers managed to finish it in time.
39.When you read the book, you’d better made a mark ____ you have any questions.
___ she will join us in the game is not decided yet.
There are many sports lovers in his office.Some love climbing, ___ others enjoy fishing.