U．S．President Barack Obama arrived in China’s economic center Shanghai on Sunday night, November 15th 2009, ___ a state visit to China．
| A．starting | B．started | C．to start | D．having stated |
Dr. Peter Spence, ______headmaster of the school, told us , “______fifth of pupils here go on to study at Oxford and Cambridge.”
| A．the ; The | B．/ ; The | C．/ ; A | D．a ; A |
----Look at the dark clouds outside. please take the umbrella with you.
---
| A．thanks. Take it easy. | B．OK, just in case | C．well, it just depends | D．go ahead |
We all feel it is Jack as well as his wife that for their son's bad performance at school.
| A．are to blame | B．is to the blamed | C．are to be blamed | D．is to blame |
He always brings me a pretty gift he comes to visit me.
| A．by the time | B．every time when | C．every time | D．at times |
Do remember to be ________. We must avoid any possible risks when doing this dangerous chemical experiment—burns, poisonous gases or cuts from broken tubes.
| A．cautious | B．thoughtful | C．considerate | D．curious |