He used to ______ cards, but now he is used to _______ a walk after supper.

A. play; taking     B. playing; take               C. play; take                    D. playing; taking

Many things were stolen and the theft ____ unreported.

  A. became     B. left      C. got       D. went 

(  ) H1N1 is said ______ one of the biggest challenge to the people in the world today.

A. that it is   B. to had been   C. that it has been   D. to have been

He was found _____ in front of the computer, ______ games.

       A. to sit; to play     B. seated; playing   C. seating; playing  D. sitting; played

All the Chinese people were expecting the government’s four-thousand-billion financial plan ______ around the country soon, ____ to improve the poor economic situations．

       A． carried out; intending               B． being carried out; intended

       C． to be carried out; intending            D． to be carried out; intended

Distinguished guests and friends, welcome to our school, _____the ceremony of the 50^th Anniversary this morning are our alumni （校友） from home and abroad．

       A． Attend         B． To attend          C． Attending       D． Having attended

— Do you know the tower _____ in the heart of the city?

   — Do you mean the one _____ to the north of the city library?

   A. locating; lay                                B. located; lying

   C. being located; lying                       D. located; lay

Whom do you want to have_______ the living conditions of migrant workers?

A. improve           B. to improve        C. improving            D. improved

— Do you know the tower _____ in the heart of the city?

       — Do you mean the one _____ to the north of the city library?

       A．locating; lay                  B．located; lying

       C．being located; lying       D．located; lay

The bank is reported in the local newspaper _______ in broad daylight yesterday .

      A being robbed             B having been robbed

       C to have been robbed          D to have robbed