--__________ do you write to your mother?

--Once a month.

A．How long          B．How often          C．How far                    D．How much

--What's the matter?

--_______.

A．I'm coming in a minute.                   B．I have a bad cold.

C．I'm going to buy some food.                       D．I watched TV last night.

-I have a bad cold．

--You should________.

A．drink juice                                B．take some medicine

C．see the dentist                             D．take more exercise

--What's wrong with your sister?

--She __________ a backache.

A．has          B．is          C．turns          D．goes

--When arc you going?

--I'm going_______ May 1st.

A．over               B．for            C．on            D．to

--________ is he going to stay?

--He is staying for 2 months.

A．How much       B．How often          C．How long            D．How old

--_______ are you doing for vocation, Jack?

--I'm going to Tibet for a week.

A．What          B．When            C．How         D．Who

--I'm flying to Hainan Island for my vocation this winter.

--That sounds nice. ________!

A． Have a good time        B．I hope so      C．Why not      D．With pleasure.

--_______ is it from this city to Nanjing?

--It's about 1,200 kilometers.

A．How long.         B．How soon            C．How far        D．How often

--_______ did you come to school this morning?

--In my mother's car,

A．When        B．Where       C．What        D．How