Modern psychological theory allows [for] the concept of [free
will], a [recent relatively] development [in] this field.
for
free will
recent
relatively
Level of Difficulty: Easy
Correction: relatively recent
Magic Explanation: In English, when an adverb modifies an
adjective, the adverb must come before the adjective. A simple example of
this rule is the phrase very delicious. In this case, relatively
is an adverb, and it modifies the adjective recent.
in
023.
One of ______ smallest particles thought to exist, the quark is
believed to exist in pairs, together forming a hadron.
what was the
what the
those of the
the
Level of Difficulty: Medium
Magic Explanation: This sentence already has a main subject and
main verb, so we don't need to look at that part of the sentence. We need
only look at the first part:
One of ______ smallest particles thought to exist
In this case, we are only missing the determiner the; we cannot
add anything else. We can see a simple example of this pattern in the phrase
One of the best ways...
024.
The first [years] of one's education are thought [to provide]
the [basic] of one's ability [to learn] in later years.
years
Some people think years is wrong because they learn that the word
first must modify a singular noun. This is not true. It is very
easy to use first to describe a group. For example, we could say The
first people I met in the United States were very friendly. When we
have first + plural noun, it means the first ones.
to provide
basic
Level of Difficulty: Medium
Correction: basis
Magic Explanation: Here, we need a noun, basis. basic
is an adjective, so it is wrong. This one is tricky because in some
languages (like Portuguese) the word for the noun basis is very
similar to the English adjective basic.
to learn
025.
Most wood will float in water, but if it is ______ , it will
sink.