【推荐1】—What does Mr. Cool always do ________ the morning of Saturday?
—He always has breakfast ________ 7:30 a.m. , and after that he goes to his store and sells clothes.

A．in; at

B．on; at

C．in; in

D．on; for

【推荐2】Before you enter the room, you need to knock ________ the door politely.

A．for

B．about

C．with

D．at

【推荐3】—What do these young people use computers ________?   

—To search for useful information.

A．in

B．at

C．with

D．for

【推荐1】Betty, let’s make a cake ______ some flour, sugar, butter and milk.

A．at

B．of

C．in

D．with

【推荐2】We want some students ________ our Sports Day.

A．for

B．to

C．at

D．in

【推荐3】Tina and Mary are talking ________ their school rules _________ the phone.

A．about; on

B．about; to

C．in; about

【推荐1】He made such a decision ________ thinking too much.

A．with

B．for

C．without

D．by

【推荐2】—How do you learn English?
—________ working with a group.

A．In

B．For

C．By

D．With

【推荐3】—Mom, why are you ________ my idea?
—Because it’s dangerous for a girl to go out alone at night.

A．with

B．for

C．on

D．against

【推荐1】The scarves were made ________ cotton.

A．by

B．from

C．of

D．in

【推荐2】—Alice, is Geography difficult to learn at high school?
—Sure. You can’t learn any subject well ________ hard work.

A．for

B．without

C．by

D．with

【推荐3】Many students communicate _________ their friends online.

A．with

B．by

C．to

D．in