Some students have trouble _______grammar while others have difficulty —___ new words.
| A．in; remember | B．for; to remember |
| C．on; remembering | D．with; remembering |
Little Bob is often educated by his parents to be good and friendly to anybody even if ________.
| A．attacking | B．is attacked | C．to be attacked | D．attacked |
The big snow caused great ________ to the people living in the south of China, ________ some of them homeless.
| A．destroy; left | B．damage; leaving |
| C．ruin; having left | D．wound; leaving |
The museum he paid a visit ________ at the end of the street.
| A．stand | B．stands | C．to stand | D．to stands |
It is required that the football match___________put off ________ the bad weather.
| A．be; thanks to | B．be; due to | C．was; thanks to | D．was; owing to |
The World Expo 2010 is being held at a time the world is looking for a new kind of balance between nature and cities．
| A．which | B．where | C．when | D．that |