Officials from China and France formally promised on Thursday to build a new type of economic partnership, while ________ business cooperation.
| A．strengthened | B．to strengthen | C．strengthening | D．strengthen |
American Thanksgiving Day, ______ falls on November 28 this year, is becoming increasingly popular in China.
| A．that | B．when | C．which | D．what |
The man tried to pretend that he hadn't stolen the money but his expression ________.
| A．turned him down | B．paid him off |
| C．made him out | D．gave him away |
The poor little boy longed for a pretty toy train,______ his father could never afford.
| A．that | B．the one | C．one | D．it . |
Miss Sullivan clarified the science Project in Simple but vivid language so as to make it easier for teenagers ________.
| A．understanding | B．to understand | C．understood | D．to be understood |
I'm really concerned ahout you. If something _______ happen to you call me at once.
| A．would | B．should | C．could | D．might |