Swanson identified magnesium deficiency ———- a casual agent in the occurrence of migraine headaches.
A. such as
B. like
C. so
D. too
E. as

Random Topics:
So Such Enough TooPossessive Adjectives VS Possessive PronounsHave to / Do not have toGrammar Like & Linking VerbPast Perfect and Past Perfect ContinuousConjunctionAuxiliaries VerbVerbals and GerundsCausative VerbRelative - ConditionalOther quiz:
Subject Verb Agreement › ViewThere ___ a new movie released every year in December.
A. is
B. am
C. are
D. be
Phrasal Verb › View
What does “pan out” mean?
A. Work out in a certain way
B. To stop doing something
C. Slowly disappear
D. Change from one thing to another
Vocabulary › ViewWhat happens when things “expand”?
A. They repeat regularly and always lead back to the starting point
B. They cause suffering or force people to do without things they need or are used to having
C. They increase in size, volume, or number
D. They become more challenging and require extra effort
Conditional Sentences › View
If she __________ (not/be) always so late, she __________ (be) promoted.
A. wasn’t / would be
B. wasn’t / would is
C. wasn’t / was
D. would be / was
