None of us had expected Luo Yang, the production head of China's new J-15 fighter jet passed away on the country's aircraft carrier ____ his mission successfully completed
| A．from | B．with | C．by | D．of |
The development of industry has been ________ gradual process throughout ______ human existence from stone tools to modern technology.
| A．不填；the | B．the; a | C．a; 不填 | D．a; a |
----I’m afraid I’ve broken your cup.
----______________, it was old and I was going to throw it away.
| A．Never mind | B．Don’t mention it | C．Forget that | D．How come |
Between the two parts of the concert is an interval, ______ the audience can buy ice-cream.
| A．when | B．where | C．that | D．which |
––Linda didn’t invite us to the party.
–– ______? I don’t care.
| A．For what | B．So what | C．What’s on | D．What’s up |
To be successful, you must be smart, confident, and, ______ honest.
| A．therefore | B．above all | C．however | D．after all |