While the boy down the street, the UFO landed．

A. had walked B. was walking C. has walked D. is walking

--Do you know ________ the MP4 player last Sunday? --Sorry，I have no idea，

A. How much did She pay for B. How much she paid for C. How much had she paid for

Tom and Jim ________ friends since they met each other for the first time five years ago．

A. were B. have become C. have made D. have been

—Where are the Greens, may I ask?

—Well, they ______ to England. They have been there for nearly a week now.

A. have been B. are going to C. have gone D. will go

—Did you watch the football match yesterday?

—Yes, I did. You know, my brother in the match.

A. is playing B. was playing

C. has played D. will play

--Is Bohai Bridge open to the public yet?

--Yes．It ________ for almost one and half months．

A. has opened B. has being opened C. has been open D. was open

Personal computers in 1976．It has changed the whole world．

A. are invented B. invented C. were invented D. have been invented

-- I knocked into a tree when I went to the station to meet my friend.

-- I suppose you too fast.

A. drive B. are driving C. have driven D. were driving

By the time I got up, my mother ________the breakfast well.

A. has cooked B. cooked C. have cooked D. had cooked

She often to school early, but this morning she to school late.

A. go ; went B. goes; goes C. goes ; went D. went; goes