It is ________ practice to bring a present to the hostess when one is invited to dinner．

A．general

B．usual

C．ordinary

D．common

You can't talk to her that way．________, she is your mother．

A．And

B．At all

C．First of all

D．After all

Last summer he taught us ________ poisonous gas．

A．how did we deal with

B．what did we deal with

C．how we deal with

D．what we deal with

She told us ________ story that we all forgot about the time．

A．such an interesting

B．such interesting a

C．so interesting

D．so an interesting］

－I didn't mean ________ her．

－But talking like that means ________ her．

A．to hurt; to hurt

B．hurting; hurting

C．to hurt; hurting

D．hurting; to hurt

The reason ________ he is unhappy is ________ he has failed the exam．

A．which; because

B．for that; that

C．why; that

D．for; because

The girl ________ to be a good dancer if she is well trained in an art school．

A．expects

B．allows

C．wishes

D．promises

I don't think you can work out the maths problem ________ the teacher's help．

A．since

B．unless

C．because

D．without

I feel it is you as well as your wife that ________ for your son's bad performance at school．

A．are to blame

B．are going to blame

C．are to be blamed

D．is to be blamed

The disc, digitally ________ in the studio, sounded fantastic at the party that night．

A．recorded

B．recording

C．to be recorded

D．having recorded