求英语老师帮我解答下列几道选择题(注：括号代表横线）
1.If you like,( )at any time.
A.visit B.pay a visit to C.drop in D.call on
2.It is said that the teachers'( )will be increased next month.
A.wages B.salaries C.interests D.savings
3.My uncle,Tom doesn't( )in his room.
A.promise to smoking B.allow to smoke
C.permit smoking D.let anybody to smoke
4.Father won't( )us to use his car.
A.have B.let C.agree D.allow
5.I am mad about pop music;I am one of the( ).
A.crowds B.audience C.listeners D.fans