A beach house caught fire last night, ________ seven students living in it．

A．to kill

B．killing

C．having killed

D．killed

If I ________ a millionaire tomorrow, the first thing I do would be to fire my boss．

A．would become

B．had become

C．were to become

D．become

－There is actually no absolute ________ for judging a bottle of wine．

－Exactly!Different people have different tastes．

A．corporation

B．curriculum

C．convenience

D．criterion

I don’t think you could understand my points of view ________ you were standing in my shoes．

A．even so

B．if only

C．as if

D．even if

－Sorry, but we have only one copy of Oxford Dictionary for sale now?

－That’s OK．I’ll take ________．

A．it

B．one

C．that

D．either

－How have you been doing recently?

－________ Nothing really goes wrong．

A．Good luck!

B．I’ll keep my fingers crossed．

C．Can’t complain．

D．So long．

His essay was entirely based on data ________ from reliable historical records．

A．collecting

B．to collect

C．having been collected

D．collected

Jason will never forget about his 18th birthday, ________ saw his being admitted to Harvard．

A．when

B．which

C．that

D．it

－We would appreciate it if you could stay for lunch．

－Sorry, I ________．I have another appointment．

A．won’t

B．shan’t

C．can’t

D．mustn’t

When the American constitution ________ into effect in 1789, it didn’t contain any words guaranteeing the basic rights of ordinary citizens．

A．went

B．had gone

C．has gone

D．was going