16. The surgeon will have to operate on … . a) we c) they
b) her d) their
17. Could you tell us if the doctor is ….
a) work c) consult
b) busy d) prescribe
18. They … to make injections of penicillin.
a) must c) have
b) has d) may
19. I … the report the whole day tomorrow.
a) will prepare c) prepare
b) will be preparing d) will have prepared
20. We … at the lessons every day.
a) is asked c) are asked
b) asks d) are asking