5761 - Intermediate\Upper-Intermediate Test:2 - ______ great improvement in ______ patient’s condition was brought about by ______ use of ______ newly developed

______ great improvement in ______ patient’s condition was brought
about by ______ use of ______ newly developed antibiotic.
A / the / the / a
The / the / _ / _
A / the / _ / _
_ / the / _ / a
Elementary Grammar Exercises A1
English Modals Tests
Upper-Intermediate Grammar Exercises
Fiverr 2021 English Level Tests