Parents complain their children are behaving unreasonably _____children consider their parents to be old-fashioned.
34.The reason why he failed is ______ he was too careless.
33. We were about to climb up to the top of the mountain ________ it began to rain heavily.
32. —How do you find my idea? —_______.
31. Don’t you think that______________ is no use promising without doing?
30. Is this the girl______ whom I can turn for help? Is she good at this subject?