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In school we (do) our homework
have to do/ must do
Oops!
Okay!
You (try) to keep the local area clean.
should try
Oops!
Okay!
You (wear) a helmet when riding a motorbike.
must wear
Oops!
Okay!
What time (you/go) to the sports centre tomorrow?
do you have to go
Oops!
Okay!
You (eat) in the library
mustn't
Oops!
Okay!
You (check) how deep the water is before jumping in.
should check
Oops!
Okay!
You (listen) to the advice of experts.
should listen
Oops!
Okay!
The match starts at 10 a.m, but the players (arrive) at 9.30 a.m.
have to arrive
Oops!
Okay!
Do you (go) to school on Saturday?
have to go
Oops!
Okay!
You can play sport for fun, you (be) the best.
don't have to be
Oops!
Okay!
When going to the airport you (bring) your passport.
must bring/ have to bring
Oops!
Okay!
I can do my homework later. I (not do) it now.
don't have to do
Oops!
Okay!
Long ago, people could leave school at fourteen. Now, we (stay) until we are eighteen.
have to stay
Oops!
Okay!
You (throw) trash on the ground.
mustn't throw
Oops!
Okay!
At the shop you (leave) with something without paying.
mustn't leave
Oops!
Okay!
At Thai Binh you (bring) your phone to class.
mustn't bring
Oops!
Okay!
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