[ Mixed General Quiz ]
Doctors may ask a patient to drink ___ to do a stomach and intestinal test.
a. valium
b. barium

Random Topics:
Present Simple ProgressivePresent Perfect or Past Simple TenseNouns, Articles, DeterminersAdverb of TimeSo or SuchComparison of Adjectives and AdverbsAdverb and Noun ClausesPhrasal VerbsPast Simple and Past ContinuousModal PerfectOther quiz:
Comparison › ViewShe is ……. student in my class.
A. most hard-working
B. more hard-working
C. the most hard-working
D. as hard-working
Grammar › View
Pei Li put a large pail in the garden _______ she wanted to collect rainwater.
A. but
B. so
C. because
Gerund and Infinitive › ViewTry ….. all questions that are obligatory.
A. answering
B. to answer
C. to answering
D. answer
Grammar › View
The scientist usually works in his lab __________ the sun sets.
A. until
B. as soon as
C. although
