You cannot be more careful when crossing the street, or you may ___ by cars.
| A．be run away | B．get run out |
| C．get run over | D．run into |
--How long ________ as an assistant here?
-- Ever since I finished middle school.
| A．are you working | B．did you work |
| C．have you been working | D．do you work |
--Forgive me for hurting you by saying so.
--________
| A．You are welcome |
| B．It’s not your fault. |
| C．Oh, well, that’s life. |
| D．That’s not important |
They had ________ in keeping in touch with each other that they decided to move to the same city.
| A．such many difficulties |
| B．such much difficulty |
| C．so many difficulty |
| D．so much difficulty |
--Is this the office ________ your parents are working now?
--No. They are working in the next one.
| A．in which | B．in where |
| C．that | D．which |
About seventy percent of the population in China _______ farmers.
| A．is | B．be | C．are | D．will be |