＿＿＿the people have become the master of their own country＿＿＿science can really serve the people.
| A．It is only then； that | B．It was that； when |
| C．It is only when； that | D．It was when； then |
_________ recent report stated that the number of Spanish speakers in the US would be higher than the number of English speakers by ______ year 2090.
| A．A; the | B．A ; / | C．The ; / | D．The ;a |
“ You cannot choose what life will have ,” Tai Lihua , a deaf dancer once said , “ but you can choose your attitude towards life”, and this is ______ I completely agree .
| A．why | B．how | C．what | D．where |
The managers discussed the plan that they would like to see _______ the next year .
| A．carry out | B．carrying out | C．carried out | D．to carry out |
You ______ tell Margaret --- I don’t want her to know about this matter .
| A．can’t | B．mustn’t | C．needn’t | D．shouldn’t |
Human beings are different from animals _____ they can use language as a tool to communicate.
| A．in that | B．for that | C．in which | D．for which |