I hang ___ with my friends at the weekends.
out
special glasses to protect your eyes
safety goggles
You should / mustn't study for the exam tonigt.
should
When I was younger, I didn't allowed to use the computer.
wasn't
We ___ try an experiment.
could
up
a careful study of new information that you find in an experiment, etc.
analysis
I don't have to / mustn't get up early on Saturdays.
don't have to
I hope I could sleep over at my friend's this weekend.
will be allowed to
A: What are you doing tonight?
B: I'm not sure, but I __ go to the cinema.
could / might /may
Will your sister join __? We need one more player.
in
the act of watching something carefully
observation
You mustn't / ought to clean your shoes before the interview.
ought to
We can't use a dictionary in last week's English exam.
couldn't / weren't allowed to
A: Is the new football computer game available yet?
B: Yes, you ___ buy it online.
can
Zoe is staying __ at her cousin's house tonight.
over
the places where you get information
sources
You must / don't have to try the free offer at the new Italian restaurant.
must
Girls were allowed to wear trousers to school now.
are
I ___ not sign the petition. I'm not really sure what I think about the situation.
may / might
My classmates dropped __ to see me when I was ill.
by
a possible explanation for why something has happened
hypothesis
I must / mustn't forget to email Sam with some more information for our project.
mustn't
Last year I can't hang out with my friends in town.
couldn't / wasn't allowed to
You ___ use this app to send photos.
can