She is stubborn in resisting his enquiries about the Moonstone _____ the degree that she makes it seem as if she does not want the mystery ______.
| A．on; to solve | B．with; solving |
| C．for; being solved | D．to; to be solved |
________ if you want to do something, or you won’t be able to do it well.
| A．To try your best | B．Trying you best | C．Try your best | D．Unless you try your best |
Plants grow best _____ it is warm and wet .
A where B which C in which D that
--- Father, I’m going out for a play.
---- _________ be long!
| A．Don’t | B．It won’t | C．Won’t | D．You didn’t |
_______ your mind and you will find the way.
| A．Using | B．Use | C．If you use | D．To use |
My brother is always making good use of the time _______ he can spare.
| A．when | B．in which | C．while | D．that |