The chairman asked many questions ________ the education 
of the homeless children in that area.
| A．concerned | B．concerning | C．to concern | D．having concerned |
——Do you know who left the computer on all night long?
——It seems that Tom is_______. He played computer games yesterday afternoon
| A．blaming | B．blamed | C．to blame | D．to be blamed |
An interesting suggestion on how to measure the temperature on the moon has been______.
| A．put on | B．put out | C．put down | D．put forward |
The manager has _____ difficulty in finding a man to take _______place of the secretary
| A．a; the | B．the; 不填 | C．不填；不填 | D．不填；the |
--- I want to make a kite for my son..
---____ You can easily buy one in the market.
| A．Why not? | B．Good idea! | C．Why bother? | D．No way! |
---Did you reach the top of the mountain?
--- Yes. Even I myself didn’t believe I could make _____.
| A．that | B．it | C．myself | D．them |