[ Mixed General Quiz ]
The X-ray results showed that he had a ___ obstruction.
a. bowel
b. vowel

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Grammar › ViewShe went to see a doctor _____ she had a stomachache.
A. or
B. but
C. and
D. because
Grammar › View
Many a student …………………… hard to pass his entrance exam, (try, tries)
A. try
B. tries
