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Unit 8. Past Modal Verbs of Obligation
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Delimiter between question and answer:

Tips:

  • No column headers.
  • Each line maps to a question.
  • If the delimiter is used in a question, the question should be surrounded by double quotes: "My, question","My, answer"
  • The first answer in the multiple choice question must be the correct answer.






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They used lamas and donkeys so they _________ carry heavy objects.
 
didn't have to
 
don't have to
 
didn't have to
 
hadn't had to
They ________ trade the things they needed.
 
had to
 
have to
 
had
 
have had
What ____ they ___________ do when they needed new things?
 
did - have to
 
do - have to
 
did - had to
 
had - have to
They ___________ learn lots of different languages.
 
didn't have to
 
don't have to
 
hadn't had to
 
didn't had to
The Incas didn't write, so they _______ develop other ways to communicate.
 
had to
 
have to
 
have
 
had
____ the Incas _______ develop technology to improve their lives?
 
Did - have to
 
Do - had to
 
Did - had to
 
Do - have to
The Incas had to _______ careful when they crossed bridges.
 
be
 
was
 
been
 
none
The ancient Romans had ____ invent central heating because it was very cold.
 
to
 
have to
 
had to
 
none
What did the ancient Chinese _________ do to invent printing?
 
have to
 
had to
 
have
 
had
The ancient Chinese army _________ use kites to signal.
 
had to
 
have to
 
have
 
had
The Incas ___________ carry water.
 
didn't have to
 
didn't had to
 
haven't have to
 
hadn't have to
Did the Incas ________ build bridges out of stones?
 
have to
 
had to
 
have
 
had