I think it’s_________ useful advice，so I will always remember it．
| A．a | B．an | C．the | D．/ |
The 20th World Cup will be held in Brazil _______ June 12 _______ July 13, 2014.
| A．in; to | B．in; to |
| C．at; from | D．from; to |
----Where is Jack?
----On the playground. He _______ football with his classmates.
| A．play | B．played | C．is playing | D．was playing |
------ How many people were invited to the meeting?
------About six ________.
| A．hundred | B．hundreds |
| C．hundred of | D．hundreds of |
Cars make our life easier, _________ they bring environment problems.
| A．as | B．or | C．but | D．so |
The Chinese ______ Mo Yan won the 2012 Nobel Prize in literature (文学), and it cheers us up.
| A．artist | B．scientist | C．writer | D．singer |