帮忙解答几道英语语法题

帮忙解答几道英语语法题
14． Many children these days do not have a healthy diet.______ is possible that this is because less healthy foods are cheaper than healthy ones.
A what B that C it 错选（A）正选（C）
理由：
15． _______ I can’t go to the conference as I’ve got to go to Sydney on business.
A frankly B unfortunately C personally 错选（A）正选（B）
理由：
16． I can’t pick you up from the station on Wednesday because______ on that day.
A I am fixing my car B I am having my car fixed C I need my car fixed.
理由：
1． The bookshop _______ the end of the road is excellent.
A at B on C in 错选（C）正选（A）
理由：
2． I wish that man _____ tapping his fingers on the table.It is really annoying me.
A stopped B had stopped C would stop 错选（A）正选（C）
理由：