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Should / Shouldn't - Could / Couldn't
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Peter has a sore throat. He _____ take some medicine.
SHOULD
Oops!
Okay!
You ________stop eating fast food. It's not healthy!
SHOULD
Oops!
Okay!
I ______go as Julius Caesar to the costume party or as an astronaut!
COULD
Oops!
Okay!
_________I pay by credit card? I don't have cash!
COULD
Oops!
Okay!
_______ I take the 23:12 bus? No, you __________
COULD / COULDN'T
Oops!
Okay!
I've got a headache. You ______ play computer games so much.
SHOULDN'T
Oops!
Okay!
_________I take the 15:10 flight?
COULD
Oops!
Okay!
You ___________ buy a ticket at the bus station or on the Internet. It doesn't matter.
COULD
Oops!
Okay!
Tomorrow, we don't have classes. _______we wake up early ?
SHOULD
Oops!
Okay!
They say I ____________ take the window seat if I wanted to.
COULD
Oops!
Okay!
You ________go for walks more often if you are bored.
SHOULD
Oops!
Okay!
Bob is dizzy. He ______ go to bed.
SHOULD
Oops!
Okay!
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