I often have some milk and bread _______...

—________do you go to the dentist?

—Let me see, twice a year, maybe．

A．How many                B．How much

C．How often              D．How soon

— What can I do for you, Madam?

— I'd like two_______．

A．glass of milks             B．glasses of milk

C．glass of milk              D．glasses of milks

—What do you expect ________ from your hard work?

—Nothing, I just want to try my best．

A．get                B．got

C．getting            D．to get

We have to     the questions before answering them．

A．look after            B．look up

C．look through           D．look at

Andy ______ chats with his friends after class because he is busy doing his homework．

A．always            B．usually

C．seldom             D．often