The scientist _____ Canada and he will give us a talk when he _____ back.
| A．has gone to/comes | B．has been to/will come |
| C．has gone to/will come | D．has been to/comes |
You should not mention it in the beginning, or it will ________ the surprising ending.
| A．give off | B．give out | C．give up | D．give away |
He went to New York in the hope of getting a job there, but ______________ .
| A．without result | B．without chance | C．without luck |
D．without effect |
______ is known to all is that good friends ______ happiness and value to life．
| A．What；add to | B．It；add | C．What；add | D．It；add to |
-----Why don’t you do some exercise? Sitting before the computer is bad for your health.
-----________, but I have to finish my work on time.
| A．Sorry, I won’t listen to you | B．I don’t think so |
| C．Thank you for your kindness | D．It’s none of your business |
Firefighters warned that the change in the weather might ________ new fires.
| A．bring up | B．lead to | C．result from | D．break out |