Recently, a team of eight medical experts has arrived in Shanxi Province to help to__________the latest vaccine incident.
Either you or one of your students___to attend the meeting that is due tomorrow
The father as well as his three children___skating on the frozen river every Sunday afternoon in winter
In that school,French and Russian are optional,but English is___for all students
Not only___the data fed into it,but it can also analyze them
___so as to make our city green