Measures have to be taken to teach young people how to ______ themselves both in family and in school. They don’t know the basic manners.
| A．do |
| B．perform |
| C．behave |
| D．work |
33. To improve your reading ability, you should ____ half an hour every day for learning new vocabulary.
| A．leave out | B．take up | C．set aside | D．focus on |
32. This disaster ______ that people had no knowledge of first aid and they hadn’t known how to protect them-selves in face of danger.
| A．led to | B．contributed to | C．resulted in | D．lay in |
31. I just wonder ____ that delights the whole family so much.
| A．what it is | B．what he does | C．how it is | D．how he does |
30. Yesterday evening I came across the man _____ you think is pleased to _____.
| A．who, talk | B．whom, get along with | C．who, work with | D．whom, be talked with |
29. Both the soldier and the horse ______ after the long ride.
| A．gave out | B．worn out | C．tested out | D．ran out |