词与短语选择填空（本题 共10分，每小题2分）
先阅读句子，然后用下面方框中所给的单词或短语填空，使全文在逻辑上正确。（提示:
选项中有一个是多余的。）

allowed/ discovered/daily//staff/ influenced/spare

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