The doctor ______ the patient to have an X-ray ______ immediately

ve taughthundreds of students,___________ having been working in their fields for years.

Many students in our school _______their teachers togive them less homework.

________ skirt in this shop is very beautiful．I like them all．

How does David usually go to work— He ______ drive a car, but now he ______ there to lose weight.