The following sentences have too many conjunctions.Rewrite each sentence correctiy,twice.Use only one conjunction each

a) Because Martin worked hard he did well in all his exams. 

Martin worked hard so he did well in all his exams. 

b) Although Egypt is a long way from the UK, it is a very popular holiday destination.

Egypt is a long way from the UK, but it is a very popular holiday destination.

c) As you will understand l`m sure l can`t lend you any money. 

You will understand l`m sure that l can`t lend you any money.

Пояснение: нужно было в предложении убрать один из союзов, для того, чтобы предложение было грамматически верным.