With so many noises from the busy traffic in the street, I couldn’t_____ and do my research work.
| A．put down | B．settle down |
| C．cut down | D．set down |
They showed great interest in everything they sawthey visited the farm．
| A．for the first time | B．at the first time | C．at first | D．the first time |
Can you believe that ina rich country there should bemany poor people？
| A．such；such | B．such；so | C．so；so | D．so；such |
Some students have troublegrammar while others have difficultynew words．
| A．in；remember | B．for；to remember |
| C．on；remembering | D．with；remembering |
He will have learned English for eight years by the time hefrom the university next year．
| A．will graduate | B．will have graduated |
| C．graduates | D．is to graduate |
The teacher asked usso much noise．
| A．don’t make | B．not make | C．not making | D．not to make |