问题

She had to drop out of school _____ her family couldn’t afford the cost of her education

A:although
B:unless
C:because
D:so

正确答案是：

同类题型

Can I buy a Friday’s air ticket for London?—– I’m sorry. But there no tickets____ for Friday’s flight.

If you make 　　most of every minute inclass day after day, there will be 　　 switch in grades.

It was ten years ago ______ we last met in our hometown

t drink now, but I ________ foralmost ten years

__ to look after luggage for someone else, inform the police at once.