I can't remember the exact date when ________ Smiths came to see him, but it was ________ Sunday．

A．a, the

B．the, a

C．a, a

D．the, the

With ________ successful launching of Tiangong-1, China's space dream has taken ________ step closer to reality．

A．不填; a

B．the; a

C．a; the

D．the; 不填

Of the slogans of the "Occupy Wall Street" movement, one ________ is frequently mentioned is：the 99 percent oppose the 1 percent．

A．that

B．which

C．where

D．what

________, John returned to school from his hometown．

A．Because the summer vacation over

B．The summer vacation is over

C．After the summer vacation being over

D．The summer vacation being over

________ hearing the news that Shenzhou VII was sent into space, we shouted ________ joy．

A．At, by

B．At; with

C．On; with

D．On; by

Tom's mobile phone was left in a taxi accidently, never ________ again．

A．to be found

B．finding

C．being found

D．to find

Nowadays it is difficult to seek a job, A graduate from a key university ________ fail in job hunting．

A．can

B．must

C．will

D．may

They ________ all the details of．the plan again to make sure that the project would go smoothly．

A．got through

B．went into

C．went through

D．got over

It was fortunate that Jack narrowly escaped ________ in a traffic accident last month．

A．killing

B．being killed

C．to be killed

D．to kill

The businessman is very modest about his success．He says it's ________ the result of good luck as of his own diligence．

A．more than

B．as much

C．more

D．so much