英语疑难问题用所给词适当形式填空a.deal with b.advertise c.be available d.app

英语疑难问题
用所给词适当形式填空
a.deal with b.advertise c.be available d.appreciate
1.As a secretary,I have to----------thousands of letters a day.
2.I"ll------------------it if you can arrange me a personal interview.
3.“--------------you---------at this time tomorrow morning?"
“Sorry,I"be teaching.
4.Children are always interested in the toys----------------on TV.