英语好的人就进来一下把~

英语好的人就进来一下把~
1 After the accident my car ____a lot of expensive new pards.
A) has to had B) had to have C) have hadD) had having
2 when we ____ leave for the church, it began to rain.
A) wouldB) were about to C) would go toD) could be able to
3 if the horse wins today,he ____thirty races in the last five years.
A) willwinB) will have won C) had won D) would have won
4 Every minute must be made full use ____english.
A) of to study B) of studying
C) of being studied D)to study
5 Their carelessness______them the victory.
A) costB) paidC) had D) made
请解释一下语法,谢谢~ 我会多赏点的~