do you choose to work in an international travel agency— Well, you know, English is my____. So it is my best choice.
It requires ____ your willingness to do thejob It also requires a lot of mental effort
Excuse me ,could I take the seat here— _______.The child sitting here will come soon.
The machine might break down someday in the future, ____, you can dial this number for help.
What about ________ shopping on Sunday—Good idea!
