---______ the farmers discovered the entrance to the secret cave in the valley?
--- Totally by chance.
| A．When was it that | B．How was it that | C．How it was that | D．When it was that |
I read about you and decided to come and hear you play.I’m very glad I ______the effort.
| A．made | B．have made | C．had made | D．am making |
As I know, there is ______car in this neighborhood .
| A．no such | B．no a | C．not such | D．no such a |
Go and get your coat .It’s _____you left it .
| A．there | B．where | C．there where | D．where there |
The second-hand car she bought was almost new ,______,it was in good condition.
| A．however | B．besides | C．though | D．therefore (表示一种因果关系) |
This pair of trousers isn’t good but that pair is ____better.
| A．rather | B．hardly | C．less | D．even |