For more information about Cambridge,________our website at www.cambridge.org.",

A.visit

B.visiting

C.to visit

D.visited

______ your teacher the problem with lea ing,theoretically,and they will help you.",

A.Telling

B.To tell

C.Tell

D.Having told

-Don't forget to retu the book in two weeks.-______.Don't worry about it.",

A.Yes,I will

B.No,I won't

C.Sorry,I don’t

D.I don't think so

your pets inside as much as you can when the weather is bad.",

A.Keep

B.Keeping

C.Kept

D.To keep

______ at the door before you enter my room,please.",

A.Knock

B.Knocking

C.Knocked

D.To knock

__________ to the left at the crossroads,and you will see the railway station on your right.",

A.Turning

B.If you turn

C.Turn

D.Having turned

    with us another two hours,I suppose,and we will fulfill the task perfectly.—Will that do? OK,let’s have a try.",

A.To stay

B.Staying

C.Stay

D.Stayed

Be tough-minded,but tender-hearted,________?",

A.isn't it 

B.are you

C.aren't you  

D.will you

—I had practiced my spoken English many times,but still failed in the oral test.—Don't be discouraged.________ and you will surely pass it.",

A.Make a bit more effort

B.To make a bit more effort

C.Making a bit more effort

D.If you make a bit more effort

—_______ listen to music in the classroom,Peter.—Sorry,I won’t,Mrs. Black.",

A.Doesn’t

B.Don’t

C.Didn’t

D.Can’t