【小题1】Sometimes people want to talk about ___________ problems. 【小题2】Visitors are not _________ to enter this hospital after 8 p.m . 【小题3】New ideas have____________ him since he came to this school. 【小题4】Mr. Wang ____________ English is not difficult after he joined the English club. 【小题5】He usually reviews his classes in his ___________ time after school.