I avoid __________ in the street at night.
a) to walk
b) walking
c) walk
b) walking
If you generate ideas, you ___.
a) erase them
b) create or produce them
b) create or produce them
Which sentence introduces a challenge that someone tried?
a) I believe the results show that I don't need my favorite app.
b) I was surprised that I could live without my favorite app.
Two uses of the -ing form are ___.
a) gerunds and infinitives
b) participial adjectives and gerunds
b) participial adjectives and gerunds
A challenge is usually ___.
a) difficult and boring
b) difficult, but interesting
b) difficult, but interesting
What does the abbreviation 12 hrs/wk stand for?
a) 12 hours of work
b) 12 hours per week
b) 12 hours per week
Trying something new can be scary. In this sentence, trying is part of ___.
a) the subject
b) the object of a verb
a) the subject
I find it ___ that I spend so much time on my devices. I had no idea it was that much!
a) obvious
b) shocking
b) shocking
Did you try the new challenge? Which two words in the sentence, when linked in connected speech, sound like /dʒ/ as in just?
a) did you
b) new challenge
a) did you
I think it's exciting to participate in a scientific study! In this sentence, exciting is ___.
a) the object of a verb
b) the object of a preposition
Our ___ of electricity is very high these days. Let's try to reduce it.
a) generate
b) usage
b) usage
What is not an example of how to question ideas presented in research?
a) think about opposing ideas
b) consider your own experience