To make members of a team perform better, the trainer first of all has to know their _____ and weaknesses.
They travelled around _____ Changchun by _____ bus.
John rushed out in a hurry, _____ the door _____ .
Please come to visit me if _________________.
---Why do you look so sad? ---There are so many problems_______.
Even the __________ doctor couldn’t cure him __________ his deadly disease.